3512 with Upgradeable Package

The 3512A generator set withUpgradeable Packaging has been developed for a wide range of applications, from emergency standby installations such as healthcare and datacenters to continuously powering remote installations. The packages can be optimized for performance that matters to you with either low emissions or low fuel consumption versions available. Backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty, Cat generator sets will provide the reliability and durability you expect.

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Generator Set Specifications

Standby Rating

1250/1100 ekW

Prime Power Rating

1135/1000 ekW

Emissions/Fuel Strategy

Low Fuel Consumption

Voltage

380 to 480 Volts

Frequency

60 Hz

Speed

1800 rpm

Duty Cycle

Standby, Mission Critical, Prime, Continuous

Maximum Rating

1250 ekW

Minimum Rating

890 ekW

Engine Specifications

Engine Model

3512A, V-12, 4-Stroke Water-Cooled Diesel

Bore

6.69in

Stroke

7.48in

Displacement

3161.03in³

Compression Ratio

13.5:1

Aspiration

Fuel System

MUI

Governor Type

Woodward

Generator Set Dimensions

Length - Maximum

203.5in

Width - Maximum

79.3in

Height - Maximum

92in

Dry Weight - Genset (minimum)

22099lb

Dry Weight - Genset (maximum)

22540lb

Standard Equipment:

Air Inlet System
- Air cleaner; single element canister type with service indicator
Control Panel
- Auto/start/stop control
- True RMS AC metering, 3-phase, +/-2% accuracy
- kVAr-hr (total)
- EMCP 4.2B
- kVAr (per phase, average & percent)
- Customer data link (Modbus RTU)
- KVAR/PF modes, RFI suppression, min/max exciter
- Overcurrent (50/51)
- IVR includes reactive droop capability, 3-phase voltage sensing
- Generator phase sequence
- 6 programmable digital inputs
- Engine cool-down timer
- Limiter and exciter diode monitor
- Over/under voltage (27/59)
- Low coolant temperature
- Generator set packages include Caterpillar's voltage regulator (IVR)
- Accessory module data link
- Low oil pressure
- Over/under frequency (81 o/u)
- Generator mounted - rear facing
- Reverse reactive power (kVAr) (32RV)
- Emergency stop
- Lamp test
- Overspeed
- kVA (per phase, average & percent)
- Operating hours
- DC volts
- Low coolant level
- Programmable protective relaying functions:
- Frequency (Hz)
- Amps (per phase & average)
- Environmental sealed front face
- Failure to start (overcrank)
- Power factor (per phase & average)
- Controls:
- kW (per phase, average & percent)
- Oil pressure (psi, kPa or bar)
- 24 Volt DC operation
- 4 programmable relay outputs (Form A)
- Emergency stop pushbutton
- 2 Programmable relay outputs (Form C)
- RPM
- Digital indication for:
- Engine cycle crank
- Speed adjust
- Coolant temperature
- 2 Programmable digital outputs
- Text alarm/event descriptions
- Serial annunciator module data link
- Communications:
- kW-hr (total)
- Volts (L-L & L-N)
- Alarm acknowledge
- Warning/shutdown with common LED indication of shutdowns for:
- Reverse power (kW) (32)
- High coolant temperature
Cooling System
- Coolant level sensors (Not included with packages without radiator)
- Coolant drain line with valve
- Fan and belt guards
- JWAC
- Caterpillar extended life coolant. (Not included with packages without radiator, installed SF44CTS, shipped loose radiators or heat exchangers)
- Caterpillar extended life coolant. (Not included with packages without radiator, installed SF44CTS, shipped loose radiators or heat exchangers)
Exhaust
- Dry exhaust manifold
- Flanged faced outlet(s)
Fuel System
- Fuel priming pump
- Fuel cooler; not included with packages without radiator
- Secondary fuel filters
- Flexible fuel lines - shipped loose
Generators And Attachments
- Internal excitation (IE) or Permanent magnet excitation (PMG)
- Winding temperature detectors
- 6 Lead
- LV
- 60 Hz models: NEMA standard hole pattern
- Busbar connections, top center mounted, top cable entry
- 3 Phase brushless, Salient pole
- Random wound
- NEMA Class H insulation
- Class H temperature rise at 40C ambient (125C prime / 150C standby)
- KVAR/PF modes
- Exciter diode monitor
- Caterpillar's digital voltage regulator (CDVR) includes:
- RFI suppression
- Reactive droop capability
- Min / max exciter limiter
- Note: 1800 Frames are form wound, permanent magnet excitation (PMG), with winding temp detectors
- Generator set packages include: Regulator (CDVR)
- 3 Phase voltage sensing
Governing System
- Woodward 2301A isochronous governor
Lube System
- Fumes disposal
- Lubricating oil
- Gear type lube oil pump
- Oil filter, filler and dipstick
- Integral lube Oil cooler
- Oil drain lines and valve
Mounting System
- Rails - engine/generator/radiator mounting
- Rubber anti-vibration mounts - shipped loose
Starting / Charging System
- 24-Volt electric starting motor
- Battery and battery rack w/cables
- 50 Amp Charging alternator
- Battery disconnect switch
General
- Flywheel and Flywheel housing-SAE No. 00
- SAE standard rotation
- RH service
- Paint - Caterpillar yellow with high gloss black rails & radiator

Optional Equipment:

Air Inlet System
- Single stage air cleaners
- Dual element air filters
Circuit Breakers
- 2000, 2500, 3200 and 4000 Amp, 4 pole, IEC rated Circuit breakers
Control Panels
- Remote custom annunicator
- CAN2 network equipment
- Modbus monitoring of packages
- EMCP 4.3, EMCP 4.4
- Local discrete I/O package
- Vandle proof panel door
- Cat connect
- Load share module options
- First local annunciator
Cooling System
- Coolant
- Water level gauge
- Optional radiator arrangements
Exhaust System
- Exhaust flexible fittings
- Industrial grade (15 db) mufflers
- Exhaust elbows
- Exhaust Y Adapters
Generators And Attachments
- Space heater control
- Space heater
- Generator conversion
- Space heater
- Space heater control
- 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, random wound, Permanent magnet excitation (PMG), No. of leads = 6, pitch= 0.6667
- 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, Form wound, Permanent magnet excitation (PMG), No. of leads = 6, pitch= 0.6667
Lube System
- Oil level regulator
- Lube oil
- Primary fuel systems
- Prelube sump pump
- Oil level regulator
Special Tests / Reports
- Gensets vibration analysis
- PGS Test report @ 1.0 power factor
- PKG factory test report
- Standard genset TVA report
- Standard engine test charge
- Fuel consumption test
- Generator test report
- Standard engine test charge
- PGS Test report @ 0.8 power factor
- PGS Test report @ 1.0 power factor
- Torsional vibration analysis
- Generator test report
Crankcase System
- Protection systems
- Ventilation system
- Protection systems
- Ventilation system
Batteries And Battery Housing
- Battery chargers - 10, 20 and 35 amp
- 24 Volt battery set - Dry
- Battery chargers - 10, 20 and 35 amp
- 24 Volt battery set - Dry
Mounting System
- Spring type vibration isolators
- Puck style low efficiency lsolators
- IBC vibration isolators
- Spring type vibration isolators
Instrumentation
- Pyrometer and thermocouples
Protection System
- Explosion relief valves
Starting / Charging Systems
- Oversize battery set
- Jacket water heater
- Electric starting motors
- Jacket water heaters
- 24 Volt dual electric starting motor
- Starter cover
General
- Barring devices
Power Connection System
- Breaker power connections
- EMCP voltage and current sensing groups
- Center post busbars
Circuit Breaker - Lv Packages
- Electronically operated circuit breakers
- Right hand power connections

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