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Caterpillar UPS 600
Maintenance schedule, common problems & OEM parts breakdown
The Cat UPS 600 is a stationary, flywheel-based Uninterruptible Power Supply module rated 600 kVA / 480 kW at 480 VAC, three-phase, offered in two frame configurations sharing the same footprint: the UPS 600G, a self-contained single-module system with its own internal maintenance bypass, and the UPS 600Z, built on Z-Frame paralleling architecture so multiple modules combine into a larger N+1 system. Despite sitting in a generic engine-generator parts category by database convention, it carries no engine, fuel system, or crankcase; continuous conditioned power comes from an integrated flywheel motor/generator working through a bi-directional IGBT converter, bridging a utility disturbance until a separately supplied standby generator starts and synchronizes. Operating weight runs from about 4,933 kg (10,875 lb) for the 600G to about 5,103 kg (11,250 lb) for the heavier 600Z. Cat brought the platform to market through a manufacturing and distribution partnership with a flywheel-energy-storage specialist beginning around 1999-2000, selling it under the Cat nameplate alongside smaller 300 kVA and larger 900 and 1200 kVA siblings in the same UPS-Flywheel line; the original CTX-prefix UPS 600 was later followed by a DLD-prefix UPS 600G generation built around a redesigned power-supply panel and converter module.
The main change across the line is frame architecture rather than output rating: 600G and 600Z share the identical 600 kVA/480 kW capacity, height, width, and depth, but the Z-Frame adds paralleling hardware that pushes its weight above the self-contained 600G, and only the 600G carries its own internal bypass. Cat's own product catalog now lists the 600G as non-current, reflecting the platform's age in a critical-power market that has since moved toward higher module counts and tighter data-center footprints. In the used and parts market, that age is the point of interest: these units run largely maintenance-free day to day with no battery bank to replace, so surviving examples are commonly still in service well past a decade, and active parts demand centers on a short list of true wear items, flywheel rotor bearings, the vacuum pump on enclosed-rotor designs, power-conversion capacitors, and static-switch or IGBT converter boards, rather than on routine consumables. Buyers and parts sourcers need the correct frame type, 600G versus 600Z, and an honest read on those wear-item ages before assuming interchangeability with a sibling rating in the family.
Below: full specifications, fluids & capacities, the factory service schedule, common service parts, verified fault codes, what owners discuss, attachment guidance, the complete assembly directory, and a serial-number reference. Complete parts lists with full OEM part numbers, exploded diagrams, quantities, and fitment data are available free in Heavy Parts AI.
Caterpillar UPS 600 specifications
Engine
| Power source | No internal combustion engine on board. This is a flywheel-based static UPS, not an engine-generator set. Continuous power comes from an integrated flywheel motor/generator working through an IGBT-based bi-directional converter. |
| Rated capacity | 600 kVA / 480 kW, 60 Hz, 480 VAC 3-phase, 3-wire plus ground (4-wire optional). Offered as UPS 600G (G-Frame, single self-contained system, internal maintenance bypass) and UPS 600Z (Z-Frame, built for multi-module paralleling up to larger combined ratings). Both carry the same 600 kVA/480 kW rating. |
| System efficiency | Up to 98% at rated load (600G and 600Z both fall in the 98%-efficiency tier; the smaller 300-size units in the same lineup are rated 97%). |
| Emissions tier | Not applicable. No combustion engine or exhaust system is fitted. |
Weights
| Operating weight, UPS 600G | 4,933 kg (10,875 lb) |
| Operating weight, UPS 600Z | 5,103 kg (11,250 lb) — heavier than the 600G despite an identical footprint, due to the Z-Frame's added paralleling hardware |
| Ground pressure | Not published. This is a stationary indoor/enclosure-mounted cabinet, not a mobile machine, so ground-bearing pressure is not a published spec. |
Dimensions
| Height | 2,438 mm (96.0 in) — same for UPS 600G and UPS 600Z |
| Width | 4,318 mm (170.0 in) — same for UPS 600G and UPS 600Z |
| Depth | 865 mm (34.0 in) — same for UPS 600G and UPS 600Z |
| Cable entry | Top or bottom entry |
Performance
| Ride-through time at 100% load | 14 seconds |
| Ride-through time at 75% load | 19 seconds |
| Ride-through time at 50% load | 28 seconds |
| Ride-through time at 25% load | 52 seconds |
| Output current, nominal (480 VAC) | 723 A |
| Input current, nominal (480 VAC) | 599 A |
| Input current, walk-in | 800 A |
| Input current, surge (max non-continuous) | 840 A |
| Overload capability | Up to 105% continuous, 125% for 10 minutes, 150% for 2 minutes, 200% for 30 seconds, over 200% for 10 milliseconds |
| Output voltage regulation | Within ±1% across ±10% input variation; transient recovery within ±1% inside 50 ms of a 100% load step |
Service capacities (summary)
| Fuel, hydraulic, engine oil, coolant | Not applicable. Static electrical equipment with no fuel system, hydraulic system, or engine oil/coolant circuit. Power electronics are air-cooled by redundant fans. |
| Operating temperature range | 0 to 40°C (32 to 104°F) |
| Storage temperature range | -25 to 70°C (-13 to 158°F) |
| Humidity | 5% to 95%, non-condensing |
| Altitude | Up to 914 m (3,000 ft) before derate is required |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
UPS 600 fluids & capacities
| System | Capacity | Recommended fluid |
|---|---|---|
| Engine crankcase (with filter) | Not applicable | No engine oil system. The UPS 600 is a flywheel-based Uninterruptible Power Supply, not an engine-driven generator set. It stores kinetic energy in a spinning flywheel and converts it through a bi-directional IGBT converter; there is no diesel or gas engine, so no crankcase or engine oil chart exists for this unit. |
| Cooling system | Not applicable | Air-cooled by redundant cooling fans through the cabinet. No liquid coolant circuit or coolant refill capacity is published for this product; nothing analogous to engine jacket-water coolant applies. |
| Fuel tank | Not applicable | No fuel system. The unit runs on stored mechanical (flywheel) energy plus grid/utility power, not combustion fuel. |
| Transmission / powertrain compartment | Not applicable | No transmission or powertrain gearbox is fitted. Power path is electrical (utility/load) with the flywheel coupled to a motor-generator, not a mechanical drivetrain. |
| Final drives | Not applicable | Not fitted. The UPS 600 is a stationary electrical power-conditioning cabinet with no final drive assemblies. |
| Hydraulic system and tank | Not applicable | No hydraulic circuit or reservoir. The design uses electromagnetic/electronic control (IGBT converter, control electronics), not hydraulics. |
| Axles / differentials | Not applicable | Not fitted. Unit is a fixed-position cabinet, not a mobile machine, so it has no axles or differentials. |
| Flywheel bearing lubrication (grease, spec only) | Not documented for this exact unit | Current-generation Cat flywheel UPS modules use magnetic bearings operating in a sealed, evacuated enclosure, described by the manufacturer as friction-free and requiring no lubrication over the design life. No brand-name grease or oil spec is published for the UPS 600 line; verify bearing type and any service lubrication requirement against the specific serial/series with a Cat dealer, since older mechanical-bearing flywheel UPS designs elsewhere in the industry do call for periodic bearing lubrication. |
Capacities are refill values from factory literature — always fill to the dipstick/sight gauge, not the number.
Caterpillar UPS 600 maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 50 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
| Every 8,760 h |
|
| Every 43,800 h |
|
| Every 70,080 h |
|
| Every 131,400 h |
|
Servicing the UPS 600 beyond the schedule
Predictive Monitoring, Not Fluid Analysis
The UPS 600 has no oil or fluid to sample. Track condition instead through the touchscreen and UPS View event log: rising alarm counts, slowing flywheel recharge time after a discharge, and vacuum-level or bearing-temperature trend alarms all signal wear before failure. Compare ride-through duration at each real discharge event against the 14/19/28/52-second baseline for 100/75/50/25% load. Flag capacitor-related fault codes early; power-conversion capacitors are a known age-related wear point as the unit passes seven to eight years in service.
Corrective Repairs on the Power-Conversion Path
Field failures on this line center on electronics, not a driveline. Static bypass switch faults, IGBT inverter and driver-board faults, and control-board faults are the most common alarm triggers reported for this platform. Work the touchscreen fault code first: confirm actual load against the 600 kVA/480 kW nameplate rating before assuming an internal fault, then isolate and bench-test the flagged board or switch assembly. Never force a manual transfer while a static-switch fault is active; escalate inverter and bypass-switch faults to a factory-trained technician rather than attempting board-level repair on site.
Overhaul and Rebuild Points
Major rebuild work on the UPS 600 centers on the flywheel rotor, not an engine top end. Budget rotor bearing replacement on a roughly five- to eight-year cycle, and vacuum-pump service or replacement on the enclosed-rotor design at roughly eight to ten years. Reassess power-conversion capacitors for replacement as the unit nears seven to eight years old. Treat fifteen to twenty years as the typical design-life horizon for the module; beyond that, weigh a full converter-and-rotor overhaul against replacing the module outright, and confirm 600G versus 600Z frame before ordering rebuild components.
Seasonal and Environment Servicing
This is stationary, cabinet-mounted gear, so servicing follows ambient conditions rather than a field season. Keep cabinet intake air clean and unobstructed year-round; dusty sites need filters cleaned or replaced more often than a clean data-center room. Hold the enclosure inside its 0 to 40°C (32 to 104°F) operating range and 5 to 95% non-condensing humidity window, and confirm redundant cooling fans move air freely before summer peak-load season. Sites above roughly 914 m (3,000 ft) elevation need a derate check, and unconditioned rooms need heaters or climate control holding the cabinet above minimum storage temperature through cold snaps.
UPS 600 common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| 240-2526 | Filter Element-Encl Air | Air intake service | Check fitment → |
| 180-6264 | Filter Element As-Encl Air | Air intake service | Check fitment → |
| 180-6265 | Filter Element As-Encl Air | Air intake service | Check fitment → |
| 259-3199 | Board As-Circuit | Scheduled service item | Check fitment → |
| 180-6228 | Board As | Scheduled service item | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
UPS 600 fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| Input Voltage Out of Tolerance | Input AC voltage or frequency deviated beyond the programmed limit; the unit disconnected from utility and shifted the load onto the flywheel (discharge mode). | Utility sag, surge, or transient, or discharge-trip tolerance programmed too tight for site power quality. | Check the event log timestamp against a known utility disturbance, confirm the programmed voltage/frequency window matches site conditions, and verify the input contactor and static disconnect switch cycle correctly. |
| DC Bus Voltage Low | DC bus voltage between the utility converter and the flywheel converter decayed below its threshold even though input AC appeared nominal, indicating current is not actually reaching the bus. | Failed input fusing, a faulted rectifying diode in the utility converter, or an upstream supply problem not reflected by the voltage sensor alone. | Have a qualified technician verify utility converter fusing and diode condition and confirm real current flow at the input terminals before returning the unit online. |
| Static Switch Fault | The SCR-based static disconnect/bypass switch failed to fire or clear as commanded during a transfer between bypass and the power stage. | Failed SCR, a gate-drive fault, or a firing-control board problem. | Do not force a transfer while this is active; have a factory-trained technician test SCR gating and replace the static switch assembly if faulty. |
| Flywheel Below Minimum Speed | Flywheel rpm dropped below the speed needed for full ride-through capacity, so the unit no longer has its rated discharge time available. | Repeated discharge events without a completed recharge, a recharge-circuit fault, or an outage longer than the flywheel's rated runtime. | Confirm recharge mode engaged after the outage, check flywheel converter and field-exciter operation, and let the flywheel complete a full recharge before relying on it again. |
| Cooling Fan Fault | A monitored cooling fan is reporting failure or reduced airflow. | Worn fan bearing, blocked intake filter, or a failed fan motor. | Inspect and clean intake filters, and replace the faulted fan; avoid extended running with reduced cooling. |
| Loss of Redundancy | On a paralleled installation, one flywheel power unit dropped off the shared output bus, reducing the system's redundant capacity. | An individual module fault in that unit's converter, flywheel, or inter-module communication link. | Identify the faulted module from the touchscreen or remote monitoring log, isolate it for service, and confirm the remaining units can still carry the connected load. |
| On Bypass / Static Bypass Active | The load is being fed through the bypass path instead of the conditioned power stage. | Manual bypass selected for maintenance, or an automatic transfer following an internal fault or overload event. | Review the event log for the alarm that triggered the transfer and clear it before returning the unit to normal (online) operation. |
| Overload | Output current exceeded the unit's continuous or short-time overload rating. | Connected load exceeds the unit's rated kVA/kW, or a downstream fault is drawing excess current. | Verify actual connected load against the nameplate rating and check downstream circuits for a short before re-energizing. |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
UPS 600 attachments & work tools
Equipment type note
The UPS 600 is a flywheel-based Uninterruptible Power Supply module, not an engine driven work machine. It has no bucket, blade, coupler, or ground-engaging work-tool line; "options" for this class are electrical configuration and switchgear choices, not mechanical attachments.
Module scaling / expansion
UPS 600 sits in a modular family built from 300 kVA (240 kW) flywheel modules, so a 600 kVA (480 kW) rating is typically two modules paralleled together. The same platform scales to 900 kVA and 1200 kVA by adding further modules, with N+1 redundant module counts offered for higher availability.
Flywheel energy storage
Each module uses an integrated flywheel rather than batteries to ride through voltage dips, sags, or short utility interruptions. Two flywheels feeding a 600 kVA system each recharge at roughly 75 kW, for about 150 kW combined recharge capacity.
Switchgear and paralleling controls
Multi-module UPS 600 installations use Cat switchgear and paralleling controls to combine modules onto a common output bus and coordinate transfer to the standby generator. Distributed static-switch architectures are used in some configurations instead of a single centralized static switch.
Static transfer switch integration
An internal or system-level static transfer switch handles the changeover between utility, flywheel, and generator supply during a disturbance, allowing an orderly generator start and load walk-in without interrupting the protected load. This is a system configuration choice rather than a bolt-on attachment.
Enclosure and installation options
The flywheel UPS line is offered with a reduced-footprint design versus battery-based UPS rooms, described as up to about 75 percent smaller for equivalent capacity. Sound-attenuated or housed enclosure treatments exist on related Cat flywheel/generator packages, but documented indoor/outdoor housing specifics for the UPS 600 module itself are thin; confirm exact enclosure options with a Cat electric power dealer.
Genset pairing
UPS 600 modules are designed to back a standby generator set rather than replace one, sized to the load being protected rather than to a fixed Cat generator model. There is no single fixed engine/generator pairing documented specifically for the UPS 600 rating; sizing is application-specific.
All UPS 600 assemblies by section
Every catalogued assembly group for the Caterpillar UPS 600. Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Electrical And Starting System
255-6647 Adapter Gp-Communication -Ethernet Hub
| 22***05 | Adapter Group-Communication; -Ethernet Hub | 1 |
| 24***09 | Transformer | 1 |
| 25***47 | Adapter Group-Communication; -Ethernet Hub | 1 |
206-8863 Adapter Gp-Communication
| 20***63 | Adapter Group-Communication | 1 |
228-4090 Adapter Gp-Communication -Ethernet
| 22***90 | Adapter Group-Communication; -Ethernet | 1 |
| 22***95 | Adapter Group-Communication; -Ethernet Hub | 1 |
255-6649 Adapter Gp-Communication -Ethernet Hub
| 22***05 | Adapter Group-Communication; -Ethernet Hub | 1 |
| 25***49 | Adapter Group-Communication; -Ethernet Hub | 1 |
248-8796 Adapter Gp-Communication -Ethernet
| 24***96 | Adapter Group-Communication; -Ethernet | 1 |
228-4095 Adapter Gp-Communication -Ethernet Hub
| 22***95 | Adapter Group-Communication; -Ethernet Hub | 1 |
228-4089 Adapter Gp-Communication -Ethernet
| 22***89 | Adapter Group-Communication; -Ethernet | 1 |
| 22***05 | Adapter Group-Communication; -Ethernet Hub | 1 |
| 24***09 | Transformer | 1 |
228-4094 Adapter Gp-Communication -Ethernet
| 22***94 | Adapter Group-Communication; -Ethernet | 1 |
| 22***05 | Adapter Group-Communication; -Ethernet Hub | 1 |
255-6648 Adapter Gp-Communication -Ethernet Hub
| 22***95 | Adapter Group-Communication; -Ethernet Hub | 1 |
| 25***48 | Adapter Group-Communication; -Ethernet Hub | 1 |
255-6646 Adapter Gp-Communication -Ethernet Hub
| 24***09 | Transformer | 1 |
| 25***46 | Adapter Group-Communication; -Ethernet Hub | 1 |
| 30***89 | Adapter-Communication; (Ethernet Hub), Hexagon Head Cap Screw; M10 X 1.50 X 55 | 1 |
228-4105 Adapter Gp-Communication -Ethernet Hub
| 22***95 | Adapter Group-Communication; -Ethernet Hub | 1 |
| 22***05 | Adapter Group-Communication; -Ethernet Hub | 1 |
| 26***28 | Cable; (6-Foot) | 1 |
235-6333 Board As-Circuit -Electro Magnetic Interference
| 23***51 | Capacitor | 3 |
| 23***33 | Board As-Circuit; -Electro Magnetic Interference | 1 |
259-3199 Board As-Circuit -Emi Filter
| 24***51 | Capacitor | 6 |
| 25***99 | Board As-Circuit; -Emi Filter | 1 |
201-2190 Board As-Circuit -System Input/Output
| 18***60 | Fuse; (2-Ampere) | 2 |
| 20***73 | Fuse; (1-Ampere) | 1 |
| 20***90 | Board As-Circuit; -System Input/Output | 1 |
259-3201 Board As-Circuit -Interface
| 24***46 | Fuse; (3.15-Ampere) | 1 |
| 25***01 | Board As-Circuit; -Interface | 1 |
226-5486 Board As-Circuit -System I/O, Daughter
| 20***26 | Resistor; -Termination | 1 |
| 22***86 | Board As-Circuit; -System I/O, Daughter | 1 |
| 23***95 | Connector | 1 |
201-3177 Board As-Circuit -Power Distribution
| 18***55 | Fuse; (3-Ampere)(Output) | 5 |
| 20***67 | Fuse; (1-Ampere) | 5 |
| 20***69 | Fuse; (2-Ampere) | 1 |
201-2188 Board As-Circuit -System Input/Output
| 18***60 | Fuse; (2-Ampere) | 4 |
| 19***04 | Fuse; (3-Ampere) | 1 |
| 20***88 | Board As-Circuit; -System Input/Output | 1 |
201-2706 Board As-Circuit -Power Distribution
| 18***54 | Fuse; (20-Ampere)(Output) | 2 |
| 19***99 | Fuse; (10-Ampere) | 4 |
| 20***67 | Fuse; (1-Ampere) | 2 |
242-7424 Board As-Circuit
| 24***24 | Board As-Circuit | 1 |
242-9378 Board As-Circuit -Fan Monitor
| 24***46 | Fuse; (3.15-Ampere) | 6 |
| 24***78 | Board As-Circuit; -Fan Monitor | 1 |
201-2604 Board As-Circuit -Ac Interface
| 18***60 | Fuse; (2-Ampere) | 1 |
| 20***04 | Board As-Circuit; -Ac Interface | 1 |
| 23***53 | Fuse; (5-Ampere) | 4 |
226-5485 Board As-Circuit -System I/O, Daughter
| 20***59 | Cable As | 1 |
| 20***60 | Cable As | 1 |
| 22***85 | Board As-Circuit; -System I/O, Daughter | 1 |
243-2251 Board As-Circuit -Controller
| 20***71 | Diskette | 1 |
| 20***76 | Diskette | 1 |
| 23***29 | Battery; (Lithium) | 1 |
243-2250 Board As-Circuit -Controller
| 23***29 | Battery; (Lithium) | 1 |
| 24***50 | Board As-Circuit; -Controller | 1 |
180-6221 Board As-Circuit -Static Switch Interface
| 18***21 | Board As-Circuit; -Static Switch Interface | 1 |
| 29***60 | Cable As | 1 |
201-2605 Board As-Circuit -Fan Monitor
| 20***05 | Board As-Circuit; -Fan Monitor | 1 |
| 24***46 | Fuse; (3.15-Ampere) | 6 |
206-5380 Box Gp-Connection
| 20***80 | Box Group-Connection | 1 |
| 23***95 | Parts Group-Miscellaneous; (Genset Start Driver) | 1 |
| 23***34 | Parts Group-Miscellaneous; (Genset Start Driver) | 1 |
204-0303 Box Gp-Connection
| 18***28 | Board As; (Emi Filter)(Flywheel) | 1 |
| 19***75 | Fuse; (1000-Ampere) | 1 |
| 19***78 | Capacitor; (50vdc, Scr Term) | 2 |
207-8642 Box Gp-Connection
| 20***42 | Box Group-Connection | 1 |
| 23***19 | Clamp | 1 |
| 23***20 | Diode | 2 |
208-2265 Box Gp-Junction
| 20***65 | Box Group-Junction | 1 |
205-3120 Bus Bar Gp
| 20***20 | Bus Bar Group | 1 |
203-4296 Cable As-Communication
| 20***96 | Cable As-Communication | 1 |
203-4227 Cable As-Communication
| 20***27 | Cable As-Communication | 1 |
203-4297 Cable As-Communication
| 20***97 | Cable As-Communication | 1 |
203-5546 Cable Gp
| 18***67 | Cable As-Ribbon; (Ac Interface) | 1 |
| 18***70 | Cable As-Ribbon; (System Input, Output 1) | 1 |
| 18***72 | Cable As-Ribbon; (Static Switch) | 1 |
249-5617 Circuit Breaker Gp -Generator Start Module
| 24***17 | Circuit Breaker Group; -Generator Start Module | 1 |
| 25***67 | Cable As | 1 |
| 29***26 | Circuit Breaker; (40-Ampere) | 1 |
249-5622 Circuit Breaker Gp -Generator Start, Dual
| 24***22 | Circuit Breaker Group; -Generator Start, Dual | 1 |
| 25***67 | Cable As | 2 |
| 29***26 | Circuit Breaker; (40-Ampere) | 2 |
249-5619 Circuit Breaker Gp -Generator Start Module
| 24***19 | Circuit Breaker Group; -Generator Start Module | 1 |
| 25***67 | Cable As | 1 |
| 29***26 | Circuit Breaker; (40-Ampere) | 1 |
249-5618 Circuit Breaker Gp -Generator Start, Dual
| 24***18 | Circuit Breaker Group; -Generator Start, Dual | 1 |
| 25***67 | Cable As | 2 |
| 29***59 | Kit-Circuit Breaker; (40-Ampere) | 2 |
249-5621 Circuit Breaker Gp -Generator Start Module
| 24***21 | Circuit Breaker Group; -Generator Start Module | 1 |
| 25***67 | Cable As | 1 |
| 29***26 | Circuit Breaker; (40-Ampere) | 1 |
249-5620 Circuit Breaker Gp -Generator Start, Dual
| 24***20 | Circuit Breaker Group; -Generator Start, Dual | 1 |
| 25***67 | Cable As | 2 |
| 29***26 | Circuit Breaker; (40-Ampere) | 2 |
226-4886 Conduit Gp
| 22***86 | Conduit Group | 1 |
| 27***83 | Cable; (24-Ga) | 2 |
207-4320 Conduit Gp
| 20***20 | Conduit Group | 1 |
| 22***86 | Conduit Group | 1 |
207-8641 Conduit Gp
| 20***41 | Conduit Group | 1 |
| 22***88 | Conduit Group; (Fourth Enclosure) | 1 |
207-4315 Conduit Gp
| 20***15 | Conduit Group | 1 |
| 22***83 | Conduit Group | 1 |
226-4887 Conduit Gp
| 22***87 | Conduit Group | 1 |
| 27***83 | Cable; (24-Ga) | 2 |
| 27***84 | Cable; (24-Ga) | 1 |
203-4683 Conduit Gp
| 20***83 | Conduit Group, .. Cyl. | 1 |
226-4883 Conduit Gp
| 22***83 | Conduit Group | 1 |
| 27***83 | Cable; (24-Ga) | 2 |
207-4323 Conduit Gp
| 20***23 | Conduit Group | 1 |
| 22***87 | Conduit Group | 1 |
203-5456 Connection Gp-Electrical
| 20***56 | Connection Group-Electrical | 1 |
| 23***75 | Harness As-Wiring; (Ground) | 1 |
| 25***84 | Panel Group-Electrical | 1 |
203-4292 Connector -Ethernet
| 20***92 | Connector; -Ethernet | 1 |
200-8330 Contact As-Electrical
| 20***30 | Contact As-Electrical | 1 |
| 24***25 | Contact | 1 |
| 24***26 | Bracket | 1 |
228-4112 Conversion Gp-Communication
| 22***12 | Conversion Group-Communication | 1 |
229-2889 Conversion Gp-Communication -Protocol Functionality
| 22***89 | Conversion Group-Communication; -Protocol Functionality | 1 |
226-5484 Conversion Gp-Communication
| 22***84 | Conversion Group-Communication | 1 |
228-4114 Conversion Gp-Communication
| 22***14 | Conversion Group-Communication | 1 |
229-2890 Conversion Gp-Communication -Modbus Functionality
| 22***90 | Conversion Group-Communication; -Modbus Functionality | 1 |
203-3971 Diskette
| 20***71 | Diskette | 1 |
203-3976 Diskette
| 20***76 | Diskette | 1 |
243-9258 Fuse Gp
| 18***54 | Fuse; (20-Ampere)(Output) | 1 |
| 19***99 | Fuse; (10-Ampere) | 2 |
| 23***55 | Fuse; (7-Ampere) | 2 |
180-6295 Ground Gp-Electrical -Electrical Drain
| 18***95 | Ground Group-Electrical; -Electrical Drain | 1 |
| 20***30 | Contact As-Electrical | 1 |
| 23***35 | Seal-O-Ring | 1 |
203-4293 Installation Gp-Adapter
| 20***93 | Installation Group-Adapter | 1 |
| 24***09 | Transformer | 1 |
| 30***89 | Adapter-Communication; (Ethernet Hub), Hexagon Head Cap Screw; M10 X 1.50 X 55 | 1 |
293-5402 Kit-Switch -Emergency Power Off
| 28***13 | Switch As-Push Button; (Emergency Power Off) | 1 |
| 29***02 | Kit-Switch; -Emergency Power Off | 1 |
293-5403 Kit-Switch -Emergency Power Off
| 28***13 | Switch As-Push Button; (Emergency Power Off) | 1 |
| 29***03 | Kit-Switch; -Emergency Power Off | 1 |
203-5458 Panel Gp-Circuit Breaker
| 20***31 | Cable As; (Thyristor) | 1 |
| 20***90 | Fuse; (600-Ampere) | 1 |
| 20***71 | Diskette | 1 |
207-8726 Resistor -Termination
| 20***26 | Resistor; -Termination | 1 |
222-5438 Resistor As
| 22***38 | Resistor As | 1 |
259-3200 Switch As -Static Bypass
| 18***21 | Board As-Circuit; -Static Switch Interface | 1 |
| 20***39 | Cable As; (Static Switch Thermistor) | 1 |
| 24***22 | Thyristor | 3 |
199-5096 Switch As -Static Bypass-Static
| 18***21 | Board As-Circuit; -Static Switch Interface | 1 |
| 19***96 | Switch As; -Static Bypass-Static | 1 |
| 20***61 | Switch; (Static) | 1 |
250-5523 Switch As -Static Bypass
| 18***21 | Board As-Circuit; -Static Switch Interface | 1 |
| 20***39 | Cable As; (Static Switch Thermistor) | 1 |
| 20***89 | Suppressor As-Arc; (Static Switch) | 3 |
203-5547 Switch As -Emergency Module Off
| 20***06 | Cable As; (System Cabinet Emo) | 1 |
| 20***47 | Switch As; -Emergency Module Off | 1 |
| 22***41 | Cover; (Switch) | 1 |
251-4572 Switch As -Static Bypass
| 20***77 | Fuse; (200-Ampere) | 3 |
| 20***31 | Cable As; (Thyristor) | 1 |
| 20***06 | Board As; (Bypass Cabinet Control) | 2 |
294-5574 Switch As-Push Button -Emergency Power Off
| 28***13 | Switch As-Push Button; (Emergency Power Off) | 1 |
| 29***74 | Switch As-Push Button; -Emergency Power Off | 1 |
294-7319 Switch As-Push Button -Emergency Power Off
| 28***13 | Switch As-Push Button; (Emergency Power Off) | 1 |
| 29***19 | Switch As-Push Button; -Emergency Power Off | 1 |
203-4323 Switch Gp-Disconnect
| 20***07 | Varistor As; (Surge Protector)(Ac) | 2 |
| 20***08 | Disconnect; (400-Ampere, 3-Pole) | 4 |
| 20***23 | Switch Group-Disconnect | 1 |
203-4324 Switch Gp-Disconnect
| 20***07 | Varistor As; (Surge Protector)(Ac) | 2 |
| 20***08 | Disconnect; (400-Ampere, 3-Pole) | 6 |
| 20***24 | Switch Group-Disconnect | 1 |
203-4325 Switch Gp-Disconnect
| 20***07 | Varistor As; (Surge Protector)(Ac) | 2 |
| 20***08 | Disconnect; (400-Ampere, 3-Pole) | 8 |
| 20***25 | Switch Group-Disconnect | 1 |
307-6546 Switch Gp-Disconnect
| 24***07 | Handle | 1 |
| 25***57 | Shaft | 1 |
| 30***46 | Switch Group-Disconnect | 1 |
183-9379 Switch Gp-Remote
| 18***79 | Switch Group-Remote | 1 |
| 25***72 | Switch-Push Button; (Remote Emergency Stop) | 1 |
254-9922 Transformer As
| 24***23 | Transformer | 1 |
| 25***22 | Transformer As | 1 |
261-1004 Varistor As
| 26***04 | Varistor As | 1 |
Enclosures, Guards And Bases
199-5106 Fan As-Circulating
| 19***06 | Fan As-Circulating | 1 |
| 20***61 | Switch-Limit; (Fan) | 1 |
| 26***63 | Impeller; (230-Volt) | 1 |
203-1007 Fan Gp-Circulating
| 19***25 | Damper As; (Fan) | 1 |
| 19***06 | Fan As-Circulating | 1 |
| 20***29 | Screen; (Fan) | 1 |
203-5451 Fastener Gp-Enclosure
| 20***51 | Fastener Group-Enclosure | 1 |
203-5452 Fastener Gp-Enclosure
| 20***52 | Fastener Group-Enclosure | 1 |
203-5453 Fastener Gp-Enclosure -Template
| 20***53 | Fastener Group-Enclosure; -Template | 1 |
258-8806 Handle As
| 24***13 | Handle; (Maintenance Bypass) | 3 |
| 25***06 | Handle As | 1 |
258-8805 Handle As
| 24***13 | Handle; (Maintenance Bypass) | 3 |
| 25***05 | Handle As | 1 |
203-4321 Kickplate
| 20***21 | Kickplate | 1 |
206-8862 Kickplate
| 20***62 | Kickplate | 1 |
203-4319 Kickplate
| 20***19 | Kickplate | 1 |
203-4322 Kickplate
| 20***22 | Kickplate | 1 |
203-4318 Kickplate
| 20***18 | Kickplate | 1 |
203-4320 Kickplate
| 20***20 | Kickplate | 1 |
Operator Station
201-7672 Control As-Synchronizing
| 20***63 | Fuse; (1.5-Ampere) | 3 |
| 20***72 | Control As-Synchronizing | 1 |
| 24***20 | Block-Fuse; (3-Pole) | 1 |
130-3349 Control Gp-Alarm Module
| 13***49 | Control Group-Alarm Module | 1 |
| 3J***54 | Packing,Preformed Part Of Kit P/N 5r***27 | 1 |
| 9S***02 | Plug-O-Ring; (Straight Thread O-Ring) | 1 |
207-8751 Conversion Gp-Load Cell
| 18***35 | Bearing As; (Upper Flywheel) | 1 |
| 20***51 | Conversion Group-Load Cell | 1 |
| 22***42 | Seal-O-Ring | 1 |
202-7510 Filter As-Electrical -Phase C
| 18***43 | Resistor As; (Bleeder) | 4 |
| 20***46 | Capacitor | 16 |
| 20***10 | Filter As-Electrical; -Phase C | 1 |
259-3197 Filter As-Electrical -Ac
| 24***42 | Capacitor; (600-Volt) | 6 |
| 25***97 | Filter As-Electrical; -Ac | 1 |
| 25***98 | Cable | 2 |
227-4834 Filter As-Electrical
| 20***28 | Capacitor | 12 |
| 22***34 | Filter As-Electrical | 1 |
202-7507 Filter As-Electrical -Phase A
| 18***43 | Resistor As; (Bleeder) | 4 |
| 20***46 | Capacitor | 16 |
| 20***07 | Filter As-Electrical; -Phase A | 1 |
222-5440 Filter As-Electrical
| 22***38 | Resistor As | 6 |
| 22***39 | Capacitor; (600vac) | 12 |
| 22***40 | Filter As-Electrical | 1 |
202-7508 Filter As-Electrical -Phase B
| 18***43 | Resistor As; (Bleeder) | 4 |
| 20***46 | Capacitor | 16 |
| 20***08 | Filter As-Electrical; -Phase B | 1 |
250-5511 Filter As-Electrical -Ac
| 24***42 | Capacitor; (600-Volt) | 12 |
| 25***11 | Filter As-Electrical; -Ac | 1 |
227-7457 Flywheel Gp-Power Supply
| 19***80 | Kit-Shim; (Includes 15-Shims)(Upper Bearing) | 1 |
| 20***52 | . Coller, Sensor-Vacuum; (Flywheel Bearing) | 1 |
| 22***41 | Screw; (5/16-18x0.875-In) | 16 |
202-9760 Flywheel Gp-Power Supply
| 18***95 | Ground Group-Electrical; -Electrical Drain | 1 |
| 20***52 | . Coller, Sensor-Vacuum; (Flywheel Bearing) | 1 |
| 20***60 | Flywheel Group-Power Supply | 1 |
244-1409 Flywheel Gp-Power Supply
| 22***41 | Screw; (5/16-18x0.875-In) | 16 |
| 22***42 | Seal-O-Ring | 1 |
| 22***90 | Kit-Shim; (Includes 5-Shims)(Lower Bearing) | 1 |
202-7596 Module As -System User Interface
| 18***86 | Cable As-Ribbon; (User Interface Lcd) | 1 |
| 20***31 | Switch-Push Button; (Emergency Module Off) | 1 |
| 20***33 | Switch; (Key)(Emergency Stop) | 1 |
259-3195 Module As -Controller
| 24***67 | Capacitor; (1200-Volt) | 3 |
| 24***68 | Capacitor; (500-Volt) | 6 |
| 25***95 | Module As; -Controller | 1 |
250-5510 Module As -Field Coil Driver
| 25***10 | Module As; -Field Coil Driver | 1 |
259-3196 Module As -Utility
| 24***67 | Capacitor; (1200-Volt) | 3 |
| 24***68 | Capacitor; (500-Volt) | 6 |
| 25***96 | Module As; -Utility | 1 |
201-2679 Module As -Systems User Interface
| 20***31 | Switch-Push Button; (Emergency Module Off) | 1 |
| 20***32 | Switch-Push Button; (Horn Silence) | 1 |
| 20***33 | Switch; (Key)(Emergency Stop) | 1 |
250-7959 Module Gp-Alarm
| 13***49 | Control Group-Alarm Module | 1 |
| 19***39 | Film-Control Panel | 1 |
| 24***68 | Switch-Push Button; (Alarm Test) | 1 |
200-6274 Module Gp-Converter -Rh
| 20***74 | Module Group-Converter; -Rh | 1 |
| 20***90 | Board As; (Skiip Interface) | 1 |
| 32***95 | Board-Electronic; (Right Skiip) | 1 |
200-6276 Module Gp-Converter -Lh
| 20***76 | Module Group-Converter; -Lh | 1 |
| 20***90 | Board As; (Skiip Interface) | 1 |
| 23***64 | Module-Converter; (Lh)(Left Skiip) | 1 |
203-2745 Module Gp-Maintenance Bypass
| 20***45 | Module Group-Maintenance Bypass | 1 |
| 24***07 | Handle | 3 |
| 25***18 | Panel Group-Electrical | 1 |
209-5506 Module Gp-Maintenance Bypass
| 20***06 | Module Group-Maintenance Bypass | 1 |
| 24***07 | Handle | 3 |
| 25***18 | Panel Group-Electrical | 1 |
203-2747 Module Gp-Static Bypass
| 20***77 | Fuse; (200-Ampere) | 3 |
| 20***38 | Module-Thyristor | 1 |
| 20***69 | Contactor | 1 |
203-5446 Module Gp-Static Bypass
| 18***21 | Board As-Circuit; -Static Switch Interface | 1 |
| 20***36 | Thyristor | 3 |
| 20***90 | Fuse; (600-Ampere) | 3 |
203-4222 Module-External Modem -Interface
| 20***22 | Module-External Modem; -Interface | 1 |
| 24***09 | Transformer | 1 |
203-3974 Module-External Modem -Interface
| 20***74 | Module-External Modem; -Interface | 1 |
| 24***09 | Transformer | 1 |
203-4295 Module-External Modem -Interface
| 20***95 | Module-External Modem; -Interface | 1 |
| 24***09 | Transformer | 1 |
206-8857 Module-External Modem -Interface
| 20***57 | Module-External Modem; -Interface | 1 |
206-8860 Module-External Modem -Interface
| 20***88 | Board As-Circuit; -System Input/Output | 1 |
| 20***60 | Module-External Modem; -Interface | 1 |
| 24***09 | Transformer | 1 |
263-3721 Module-External Modem
| 24***09 | Transformer | 1 |
| 26***21 | Module-External Modem | 1 |
263-3455 Module-External Modem
| 24***09 | Transformer | 1 |
| 26***55 | Module-External Modem | 1 |
203-3975 Module-External Modem -Interface
| 20***75 | Module-External Modem; -Interface | 1 |
| 24***09 | Transformer | 1 |
206-8861 Module-External Modem
| 20***88 | Board As-Circuit; -System Input/Output | 1 |
| 20***27 | Cable As-Communication | 1 |
| 20***61 | Module-External Modem | 1 |
206-8858 Module-External Modem -Interface
| 20***58 | Module-External Modem; -Interface | 1 |
263-3457 Module-External Modem
| 24***09 | Transformer | 1 |
| 26***57 | Module-External Modem | 1 |
263-3458 Module-External Modem
| 24***09 | Transformer | 1 |
| 26***58 | Module-External Modem | 1 |
203-4221 Module-External Modem -Interface
| 20***21 | Module-External Modem; -Interface | 1 |
206-8859 Module-External Modem -Interface
| 20***59 | Module-External Modem; -Interface | 1 |
263-3454 Module-Internal Modem
| 24***09 | Transformer | 1 |
| 24***54 | Modem As | 1 |
| 26***54 | Module-Internal Modem | 1 |
203-4225 Module-Internal Modem
| 20***25 | Module-Internal Modem | 1 |
| 24***09 | Transformer | 1 |
| 24***55 | Modem As | 1 |
263-3453 Module-Internal Modem
| 24***09 | Transformer | 1 |
| 24***55 | Modem As | 1 |
| 26***53 | Module-Internal Modem | 1 |
263-3459 Module-Internal Modem
| 20***26 | Cable As-Communication | 1 |
| 24***09 | Transformer | 1 |
| 24***54 | Modem As | 1 |
203-4224 Module-Internal Modem
| 20***24 | Module-Internal Modem | 1 |
| 24***09 | Transformer | 1 |
| 24***54 | Modem As | 1 |
206-8856 Module-Internal Modem
| 20***56 | Module-Internal Modem | 1 |
| 24***09 | Transformer | 1 |
| 24***55 | Modem As | 1 |
203-3973 Module-Internal Modem
| 20***73 | Module-Internal Modem | 1 |
| 24***09 | Transformer | 1 |
| 24***54 | Modem As | 1 |
206-8855 Module-Internal Modem
| 20***55 | Module-Internal Modem | 1 |
| 24***09 | Transformer | 1 |
| 24***54 | Modem As | 1 |
203-3972 Module-Internal Modem
| 20***72 | Module-Internal Modem | 1 |
| 24***09 | Transformer | 1 |
| 24***55 | Modem As | 1 |
206-8854 Module-Internal Modem
| 20***54 | Module-Internal Modem | 1 |
| 24***09 | Transformer | 1 |
| 24***55 | Modem As | 1 |
206-8852 Module-Internal Modem
| 20***52 | Module-Internal Modem | 1 |
| 24***09 | Transformer | 1 |
| 24***54 | Modem As | 1 |
263-3330 Module-Internal Modem
| 20***26 | Cable As-Communication | 1 |
| 24***09 | Transformer | 1 |
| 24***55 | Modem As | 1 |
236-4955 Panel Ar-Control
| 23***48 | Panel Group-Control; -Generator Start | 1 |
| 23***50 | Bracket | 2 |
| 23***55 | Panel Ar-Control | 1 |
236-4957 Panel Ar-Control
| 23***48 | Panel Group-Control; -Generator Start | 1 |
| 23***50 | Bracket | 2 |
| 23***57 | Panel Ar-Control; -Generator Start, Single | 1 |
236-4956 Panel Ar-Control
| 23***48 | Panel Group-Control; -Generator Start | 2 |
| 23***50 | Bracket | 4 |
| 23***56 | Panel Ar-Control | 1 |
236-4958 Panel Ar-Control
| 23***48 | Panel Group-Control; -Generator Start | 2 |
| 23***50 | Bracket | 4 |
| 23***58 | Panel Ar-Control; -Generator Start, Dual | 1 |
252-4932 Panel As-Electrical -Lh
| 20***77 | Fuse; (200-Ampere) | 1 |
| 20***69 | Indicator; (Fuse) | 1 |
| 22***07 | Board As-Circuit; (Zig Zag Controller) | 1 |
240-2510 Panel As-Electrical -Power Supply
| 20***77 | Fuse; (200-Ampere) | 1 |
| 20***69 | Contactor | 1 |
| 20***69 | Indicator; (Fuse) | 1 |
256-3008 Panel As-Electrical -Static Bypass
| 18***21 | Board As-Circuit; -Static Switch Interface | 1 |
| 20***90 | Fuse; (600-Ampere) | 3 |
| 20***69 | Indicator; (Fuse) | 3 |
203-4299 Panel Gp-Annunciator
| 20***59 | Cable As | 1 |
| 20***60 | Cable As | 1 |
| 20***99 | Panel Group-Annunciator | 1 |
230-7666 Panel Gp-Annunciator
| 23***66 | Panel Group-Annunciator | 1 |
| 25***59 | Module Group-Alarm | 1 |
233-7648 Panel Gp-Control
| 23***48 | Panel Group-Control; -Generator Start | 1 |
| 23***53 | Capacitor | 2 |
| 23***57 | Fuse; (0.25-Ampere) | 2 |
251-3584 Panel Gp-Electrical
| 23***32 | Relay; (1.8-Ampere, 3-Pole)(Overload) | 1 |
| 23***34 | Block-Terminal | 1 |
| 23***72 | Transformer; (10-Ampere) | 1 |
203-5457 Panel Gp-Electrical
| 20***57 | Panel Group-Electrical | 1 |
| 25***32 | Panel As-Electrical; -Lh | 1 |
| 25***22 | Transformer As | 1 |
202-7511 Panel Gp-Electrical
| 18***09 | Resistor; (13-Watt) | 12 |
| 18***22 | Board As; (Dc Interface) | 1 |
| 20***28 | Capacitor | 12 |
236-4176 Panel Gp-Electrical
| 23***32 | Relay; (1.8-Ampere, 3-Pole)(Overload) | 1 |
| 23***34 | Block-Terminal | 1 |
| 23***72 | Transformer; (10-Ampere) | 1 |
227-4833 Panel Gp-Electrical
| 22***33 | Panel Group-Electrical | 1 |
| 22***34 | Filter As-Electrical | 1 |
| 22***35 | Resistor | 2 |
258-8803 Panel Gp-Electrical -Disconnect Switch
| 24***12 | Switch-Disconnect; (Maintenance Bypass) | 3 |
| 24***14 | Shaft | 1 |
| 24***15 | Shaft | 2 |
250-5521 Panel Gp-Electrical
| 20***32 | Power Supply; (350-Watt) | 2 |
| 25***21 | Panel Group-Electrical | 1 |
| 25***07 | Capacitor | 2 |
203-5455 Panel Gp-Electrical
| 20***55 | Panel Group-Electrical | 1 |
| 23***76 | Panel Group-Electrical | 1 |
256-7282 Panel Gp-Electrical
| 25***82 | Panel Group-Electrical | 1 |
| 25***03 | Panel Group-Electrical; -Disconnect Switch | 1 |
| 25***05 | Handle As | 1 |
9e-5987 Panel Gp-Electrical
| 24***07 | Handle | 3 |
| 24***81 | Holder; (Fuse) | 4 |
| 25***58 | Switch As; (400-Ampere, 3-Phase, 4-Pole) | 3 |
258-8802 Panel Gp-Electrical
| 25***02 | Panel Group-Electrical | 1 |
| 25***03 | Panel Group-Electrical; -Disconnect Switch | 1 |
| 25***06 | Handle As | 1 |
258-9961 Panel Gp-Electrical
| 24***10 | Panel As-Electrical; -Power Supply | 1 |
| 25***22 | Transformer As | 1 |
| 25***61 | Panel Group-Electrical | 1 |
251-9618 Panel Gp-Electrical
| 20***82 | Switch Group-Disconnect | 3 |
| 24***81 | Holder; (Fuse) | 3 |
| 25***57 | Shaft | 2 |
248-5465 Panel Gp-Power Supply
| 20***65 | Fuse; (4-Ampere) | 2 |
| 20***66 | Fuse; (7-Ampere) | 2 |
| 20***76 | Module Group-Converter; -Lh | 3 |
203-4375 Panel Gp-Power Supply
| 20***07 | Varistor As; (Surge Protector)(Ac) | 2 |
| 20***08 | Disconnect; (400-Ampere, 3-Pole) | 8 |
| 20***75 | Panel Group-Power Supply | 1 |
251-2177 Panel Gp-Power Supply
| 19***97 | Fuse; (3-Ampere) | 2 |
| 20***67 | Fuse; (1-Ampere) | 3 |
| 20***61 | Panel As; (Input/Output) | 1 |
259-3194 Panel Gp-Power Supply
| 18***50 | Fuse; (300-Ampere)(Utility) | 3 |
| 20***65 | Fuse; (4-Ampere) | 2 |
| 20***66 | Fuse; (7-Ampere) | 2 |
319-4158 Panel Gp-Power Supply
| 18***46 | Kit-Pump; (Vacuum) | 1 |
| 19***06 | Fan As-Circulating | 6 |
| 20***65 | Fuse; (4-Ampere) | 2 |
230-7667 Panel Gp-Power Supply
| 18***64 | Filter Element As-Encl Air | 1 |
| 18***65 | Filter Element As-Encl Air | 1 |
| 19***89 | Contactor | 2 |
251-2175 Panel Gp-Power Supply
| 20***65 | Fuse; (4-Ampere) | 2 |
| 20***66 | Fuse; (7-Ampere) | 2 |
| 20***52 | . Coller, Sensor-Vacuum; (Flywheel Bearing) | 1 |
203-4374 Panel Gp-Power Supply
| 20***07 | Varistor As; (Surge Protector)(Ac) | 2 |
| 20***08 | Disconnect; (400-Ampere, 3-Pole) | 6 |
| 20***74 | Panel Group-Power Supply | 1 |
203-4373 Panel Gp-Power Supply
| 20***07 | Varistor As; (Surge Protector)(Ac) | 2 |
| 20***08 | Disconnect; (400-Ampere, 3-Pole) | 4 |
| 20***73 | Panel Group-Power Supply | 1 |
203-4385 Panel Gp-Power Supply
| 18***55 | Fuse; (3-Ampere)(Output) | 3 |
| 18***64 | Filter Element As-Encl Air | 1 |
| 18***65 | Filter Element As-Encl Air | 1 |
248-5467 Panel Gp-Power Supply
| 24***23 | Transformer | 1 |
| 24***11 | Handle; (Door) | 1 |
| 24***24 | Ring | 1 |
202-7660 Panel Gp-Power Supply
| 20***40 | Door-Front | 1 |
| 20***48 | Panel-Access; (Top) | 1 |
| 20***80 | Panel As-Side | 1 |
202-7658 Panel Gp-Power Supply
| 18***64 | Filter Element As-Encl Air | 1 |
| 18***65 | Filter Element As-Encl Air | 1 |
| 19***89 | Contactor | 2 |
202-7659 Panel Gp-Power Supply
| 18***64 | Filter Element As-Encl Air | 1 |
| 18***65 | Filter Element As-Encl Air | 1 |
| 19***97 | Fuse; (3-Ampere) | 4 |
203-4382 Panel Gp-Power Supply
| 18***55 | Fuse; (3-Ampere)(Output) | 3 |
| 18***64 | Filter Element As-Encl Air | 1 |
| 18***65 | Filter Element As-Encl Air | 1 |
252-5011 Panel Gp-Power Supply
| 19***97 | Fuse; (3-Ampere) | 2 |
| 20***67 | Fuse; (1-Ampere) | 3 |
| 20***69 | Circuit Breaker As; (1200-Ampere) | 2 |
203-3912 Panel Gp-Power Supply
| 18***64 | Filter Element As-Encl Air | 1 |
| 18***65 | Filter Element As-Encl Air | 1 |
| 19***89 | Contactor | 2 |
203-4383 Panel Gp-Power Supply
| 18***55 | Fuse; (3-Ampere)(Output) | 3 |
| 18***64 | Filter Element As-Encl Air | 1 |
| 18***65 | Filter Element As-Encl Air | 1 |
248-5466 Panel Gp-Power Supply
| 20***48 | Panel-Access; (Top) | 1 |
| 24***11 | Capacitor; (Oil-Filled) | 1 |
| 24***11 | Handle; (Door) | 1 |
255-0609 Panel Gp-Power Supply
| 25***09 | Panel Group-Power Supply | 1 |
| 25***65 | Panel Group-Power Supply | 1 |
| 25***94 | Panel Group-Power Supply | 1 |
250-6034 Panel Gp-Power Supply
| 25***34 | Panel Group-Power Supply | 1 |
| 25***59 | Module Group-Alarm | 1 |
252-0570 Panel Gp-Power Supply
| 19***97 | Fuse; (3-Ampere) | 4 |
| 20***63 | Fuse; (1.5-Ampere) | 2 |
| 20***49 | Power Supply; (150-Watt) | 2 |
255-0608 Panel Gp-Power Supply
| 25***08 | Panel Group-Power Supply | 1 |
| 25***66 | Panel Group-Power Supply | 1 |
| 25***94 | Panel Group-Power Supply | 1 |
258-9866 Panel Gp-Power Supply
| 24***11 | Capacitor; (Oil-Filled) | 1 |
| 24***23 | Transformer | 1 |
| 24***24 | Contactor | 1 |
203-4384 Panel Gp-Power Supply
| 18***55 | Fuse; (3-Ampere)(Output) | 3 |
| 18***64 | Filter Element As-Encl Air | 1 |
| 18***65 | Filter Element As-Encl Air | 1 |
258-9865 Panel Gp-Power Supply
| 20***48 | Panel-Access; (Top) | 1 |
| 24***11 | Capacitor; (Oil-Filled) | 1 |
| 24***24 | Contactor | 1 |
251-0043 Panel Gp-Power Supply
| 20***65 | Fuse; (4-Ampere) | 2 |
| 20***66 | Fuse; (7-Ampere) | 2 |
| 20***52 | . Coller, Sensor-Vacuum; (Flywheel Bearing) | 1 |
250-3437 Panel Gp-Power Supply
| 19***97 | Fuse; (3-Ampere) | 2 |
| 20***67 | Fuse; (1-Ampere) | 3 |
| 20***69 | Circuit Breaker As; (1200-Ampere) | 1 |
250-3438 Panel Gp-Power Supply
| 19***97 | Fuse; (3-Ampere) | 2 |
| 20***67 | Fuse; (1-Ampere) | 3 |
| 20***61 | Panel As; (Input/Output) | 1 |
237-0175 Panel Gp-Power Supply
| 18***64 | Filter Element As-Encl Air | 1 |
| 18***65 | Filter Element As-Encl Air | 1 |
| 19***97 | Fuse; (3-Ampere) | 2 |
266-5937 Panel Gp-Power Supply
| 19***97 | Fuse; (3-Ampere) | 2 |
| 20***67 | Fuse; (1-Ampere) | 3 |
| 20***69 | Circuit Breaker As; (1200-Ampere) | 1 |
250-3439 Panel Gp-Power Supply
| 19***97 | Fuse; (3-Ampere) | 2 |
| 20***67 | Fuse; (1-Ampere) | 3 |
| 20***69 | Circuit Breaker As; (1200-Ampere) | 2 |
266-5936 Panel Gp-Power Supply
| 19***97 | Fuse; (3-Ampere) | 2 |
| 20***67 | Fuse; (1-Ampere) | 3 |
| 20***69 | Circuit Breaker As; (1200-Ampere) | 1 |
204-0304 Power Gp-Uninterruptible
| 18***64 | Filter Element As-Encl Air | 1 |
| 18***65 | Filter Element As-Encl Air | 1 |
| 19***89 | Contactor | 2 |
202-7649 Power Gp-Uninterruptible
| 20***57 | Film Group | 1 |
| 20***49 | Power Group-Uninterruptible | 1 |
| 20***58 | Panel Group-Power Supply | 3 |
202-7643 Power Gp-Uninterruptible
| 20***43 | . Gear; Internal, Power Group-Uninterruptible | 1 |
| 20***60 | Panel Group-Power Supply | 1 |
| 20***12 | Panel Group-Power Supply | 1 |
202-7645 Power Gp-Uninterruptible
| 20***45 | Power Group-Uninterruptible | 1 |
| 20***58 | Panel Group-Circuit Breaker | 1 |
| 22***83 | Conduit Group | 1 |
202-7646 Power Gp-Uninterruptible
| 20***59 | Film Group | 1 |
| 20***46 | Power Group-Uninterruptible | 1 |
| 20***58 | Panel Group-Power Supply | 1 |
202-7647 Power Gp-Uninterruptible
| 20***58 | Film Group | 1 |
| 20***47 | Power Group-Uninterruptible, .. Axle | 1 |
| 20***58 | Panel Group-Power Supply | 2 |
202-7644 Power Gp-Uninterruptible
| 20***44 | Power Group-Uninterruptible | 1 |
| 20***60 | Panel Group-Power Supply | 1 |
| 20***12 | Panel Group-Power Supply | 1 |
202-7650 Power Gp-Uninterruptible
| 20***57 | Film Group | 1 |
| 20***50 | Power Group-Uninterruptible | 1 |
| 20***58 | Panel Group-Power Supply | 3 |
202-7648 Power Gp-Uninterruptible
| 20***58 | Film Group | 1 |
| 20***48 | Power Group-Uninterruptible | 1 |
| 20***58 | Panel Group-Power Supply | 2 |
234-7687 Power Supply Gp
| 20***32 | Power Supply; (350-Watt) | 1 |
| 23***87 | Power Supply Group | 1 |
| 23***88 | Capacitor; (450-Volt) | 2 |
231-3504 Pump & Motor Gp-Vacuum
| 18***46 | Kit-Pump; (Vacuum) | 1 |
| 23***04 | Pump & Motor Group-Vacuum | 1 |
| 24***65 | Ring | 4 |
Service Equipment And Supplies
200-1859 Film Gp
| 13***39 | Film-Stripe; (Red)(625cm) | 0 |
| 20***44 | Film; (Electric Power) | 1 |
| 20***59 | Film Group | 1 |
200-1858 Film Gp
| 13***39 | Film-Stripe; (Red)(625cm) | 0 |
| 20***44 | Film; (Electric Power) | 1 |
| 20***58 | Film Group | 1 |
200-1856 Film Gp
| 13***39 | Film-Stripe; (Red)(625cm) | 0 |
| 20***44 | Film; (Electric Power) | 1 |
| 20***56 | Film Group | 1 |
200-1857 Film Gp
| 13***39 | Film-Stripe; (Red)(625cm) | 0 |
| 20***44 | Film; (Electric Power) | 1 |
| 20***57 | Film Group | 1 |
203-4716 Film Gp
| 20***16 | Film Group | 1 |
| 22***51 | Film; (Cat) | 1 |
| 22***52 | Film; (Electric Power) | 1 |
200-1845 Film Gp
| 12***94 | Film-Stripe; (Black)(56cm) | 0 |
| 20***24 | Film; (Electric Power) | 1 |
| 20***25 | Film-Stripe; (Red)(44cm) | 0 |
245-0559 Kit-Sensor & Mounting
| 24***59 | Kit-Sensor & Mounting | 1 |
203-5448 Parts Gp-Miscellaneous
| 18***55 | Fuse; (3-Ampere)(Output) | 10 |
| 18***60 | Fuse; (2-Ampere) | 10 |
| 18***61 | Fuse; (5-Ampere) | 10 |
250-6032 Parts Gp-Miscellaneous
| 18***55 | Fuse; (3-Ampere)(Output) | 10 |
| 18***60 | Fuse; (2-Ampere) | 10 |
| 19***04 | Fuse; (3-Ampere) | 10 |
250-6033 Parts Gp-Miscellaneous
| 18***54 | Fuse; (20-Ampere)(Output) | 5 |
| 18***55 | Fuse; (3-Ampere)(Output) | 5 |
| 18***60 | Fuse; (2-Ampere) | 10 |
230-4162 Parts Gp-Miscellaneous
| 18***55 | Fuse; (3-Ampere)(Output) | 10 |
| 18***60 | Fuse; (2-Ampere) | 10 |
| 18***61 | Fuse; (5-Ampere) | 10 |
261-8122 Parts Gp-Miscellaneous
| 18***21 | Board As-Circuit; -Static Switch Interface | 1 |
| 18***50 | Fuse; (300-Ampere)(Utility) | 3 |
| 18***54 | Fuse; (20-Ampere)(Output) | 2 |
203-5447 Parts Gp-Miscellaneous
| 18***22 | Board As; (Dc Interface) | 1 |
| 18***49 | Fuse; (250-Ampere)(Flywheel) | 3 |
| 18***54 | Fuse; (20-Ampere)(Output) | 5 |
230-4161 Parts Gp-Miscellaneous
| 18***54 | Fuse; (20-Ampere)(Output) | 5 |
| 18***55 | Fuse; (3-Ampere)(Output) | 5 |
| 18***60 | Fuse; (2-Ampere) | 10 |
UPS 600 serial number reference
On Cat flywheel UPS cabinets, the identification/rating nameplate is mounted on the exterior of the power-supply enclosure (front or side access panel), not on an engine block, since there is no engine fitted. The plate lists the model designation and the Product Identification/serial number; the first three letters are the prefix identifying the specific model and build series, and the digits that follow are the sequential unit number within that run.
| Prefix | Identifies | Notes |
|---|---|---|
| CTX | UPS 600 (original-generation Multi Module System, part of the shared UPS120-UPS900 flywheel-UPS family) | Flywheel-based uninterruptible power supply, no engine fitted. Rated around 600 kVA / 480 kW output, expandable in modules. Prefix covers the power-supply/operator-station panel and filter groups for this model, per the factory parts manual covering the full UPS120 through UPS900 line. |
| DLD | UPS 600G (G-Series Multi Module System, redesigned power-supply platform using 300 kVA building-block modules) | Same flywheel energy-storage concept as the base UPS 600 but on the newer G-Series panel and converter module; no engine fitted. Confirm the exact serial break against CTX with your dealer, since the G-Series is documented as a separate platform rather than a running change within the CTX range. |
Frequently asked questions
What engine powers the Cat UPS 600?
None. It is a flywheel-based static Uninterruptible Power Supply, not an engine-generator set, despite sitting in a generic engine-generator parts category. There is no diesel or gas engine and no fuel system; conditioned power comes from an integrated flywheel motor/generator working through a bi-directional IGBT converter, and it bridges a utility outage until a separately supplied standby generator starts and synchronizes. Confirm this on the unit's own nameplate rather than expecting an engine block or serial tag.
What does the Cat UPS 600 weigh?
About 4,933 kg (10,875 lb) for the UPS 600G, and about 5,103 kg (11,250 lb) for the UPS 600Z. Both frames share the same height, width, and depth, but the Z-Frame runs heavier because of its added multi-module paralleling hardware. Confirm which frame you have before using either figure for rigging or floor-load planning.
What replaced the Cat UPS 600?
The original UPS 600 was followed by the UPS 600G, a next-generation power-supply panel and converter redesign carrying the same 600 kVA/480 kW rating; factory parts literature lists it as a replacement platform rather than a running change to the original unit. The 600G itself now shows as non-current in Cat's own product catalog. The UPS 600Z remains the multi-module-paralleling counterpart at the same rating. Confirm the exact serial break against your unit with a Cat dealer before assuming parts interchangeability.
What UPS 600 owners discuss
Is the UPS 600 really a diesel generator set, or is that just a category label?
No engine, no fuel system, no crankcase. The UPS 600 is a flywheel-based Uninterruptible Power Supply rated 600 kVA / 480 kW, part of the same flywheel-UPS platform as the smaller and larger ratings in the line. It stores energy in a spinning flywheel rotor and moves it to the load through a bi-directional IGBT converter, bridging a utility outage until a separately supplied standby diesel genset starts, synchronizes, and takes over. It carries a generic engine-generator parts-catalog heading purely by database convention, not because it has a prime mover of its own. Check the nameplate on the cabinet, not an engine tag, to confirm what you actually have on site.
UPS 600G vs UPS 600Z - what is the practical difference owners run into?
Both frames carry the identical 600 kVA / 480 kW rating and the same footprint (height, width, depth). The 600G is the self-contained single-module system with its own internal maintenance bypass, meant to stand alone. The 600Z is built onto the Z-Frame paralleling architecture so several modules can be combined into a larger N+1 system; it runs slightly heavier than the 600G despite the matching cabinet dimensions, because of the added paralleling hardware. Owners moving parts or bypass components between a 600G and a 600Z site should not assume interchangeability just because the kVA rating matches; confirm frame type before swapping boards or switch assemblies.
What actually wears out on a unit like this, the way bearings and undercarriage wear on mobile equipment?
The flywheel rotor bearings are the main wear item. Sealed or magnetically supported rotor designs run largely maintenance-free day to day but still typically need bearing replacement on a roughly 5 to 8 year cycle. On vacuum-housed rotor designs, the vacuum pump that reduces windage drag on the spinning flywheel is a separate wear component with an average service life around 8 to 10 years; check the vacuum oil level and the sight gauge on schedule. Cabinet air filters are a routine consumable, typically cleaned or replaced quarterly. None of these intervals are published as a UPS-600-specific chart; treat them as typical for the platform and confirm against the unit's own maintenance schedule.
What electrical or sensor problems come up on this class of flywheel UPS?
Reported failure points center on the power-conversion electronics rather than a mechanical driveline: IGBT inverter faults, IGBT driver-board faults, control-board faults, and output short circuits are the most commonly cited causes of an inverter alarm. The static bypass switch, the solid-state switch that dumps the load straight to utility power if the UPS itself faults, is another common alarm source, with a shorted switching device being a frequent failure mode there. Flywheel speed and vacuum-level sensors also throw their own out-of-range alarms. Work the operator-panel fault code first, then escalate any inverter or bypass-switch fault to a qualified technician rather than attempting board-level repair. Have your dealer verify the fault before returning the unit to service.
How does the ride-through and generator hand-off behave on a 600 kVA unit in the field?
At full rated load the flywheel is documented to carry the load for about 14 seconds, stretching to roughly 19 seconds at 75 percent load, 28 seconds at 50 percent, and 52 seconds at 25 percent load. Nominal output current at 480 VAC runs about 723 A, with roughly 599 A drawn on the input side under normal conditions. The unit can absorb overload well beyond nominal for short windows, on the order of 125 percent for several minutes and 150 percent for a couple of minutes, with brief higher spikes tolerated for seconds. Actual standby-generator walk-in time is field-programmed at commissioning to match the site's generator start-and-sync performance, so treat any specific walk-in number as a site setting to confirm against commissioning records, not a fixed factory spec.
Is a flywheel unit like the UPS 600 actually more reliable than a battery-based UPS of similar size?
Field experience with this style of flywheel UPS generally reports better availability than a comparable double-conversion battery UPS, largely because undetected battery failure is the most commonly cited cause of battery-UPS failures industry-wide. Removing the battery bank also removes a maintenance burden and a common single point of failure, and this class of unit typically runs in the high-90s percent efficiency range. The tradeoff is a ride-through window measured in seconds rather than minutes, so the design only works if the standby generator reliably starts and syncs inside that window every time. Treat the flywheel as a bridge to generator power, not a standalone backup source.
What should I check before buying a used Cat UPS 600?
Pull the full maintenance history and the alarm/fault log off the operator interface before anything else; this is power-electronics gear, and condition cannot be judged by looking at it sitting idle. Weigh the unit's age against the roughly 15 to 20 year typical service life for this class of flywheel UPS, and separately check the vacuum pump's age and oil sight-gauge condition against its own roughly 8 to 10 year service life. Confirm whether the rotor uses an older mechanical-bearing design or a later sealed/magnetic design, and when bearings were last serviced. On units in the 7 to 10 year range or older, ask specifically about capacitor condition in the power-conversion boards, a common wear point as this class of equipment ages. Confirm whether it is a 600G or 600Z frame, since a Z-Frame unit implies it may have been running paralleled with other modules and should be evaluated as part of that system, not standalone. Have the unit powered up and load-tested by a qualified technician before purchase, and have your dealer verify the de-energize and lockout procedure before any hands-on inspection.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
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