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3512 MUI Modular Rear Overhang Generator Set
3512 MUI Modular Rear Overhang Generator Set
3512 MUI Modular Rear Overhang Generator Set
3512 MUI Modular Rear Overhang Generator Set
Diesel generator sets

3512 (60 Hz)

Producing reliable power from 890 to 1250 ekW at 60 Hz, our 3512 diesel generator sets are made to meet your mission critical, continuous, standby and prime applications. We've designed each to ISO 8528-5 transient response requirements and to accept 100% rated load in one step. Generator sets offer a low fuel consumption system.

  • Emissions/Fuel StrategyLow Fuel Consumption
  • Voltage380 to 13800 Volts
  • Frequency60 Hz
  • Duty CycleStandby, Mission Critical, Prime, Continuous
  • Maximum Rating1250 ekW
  • Minimum Rating890 ekW
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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 13800 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 3512 TA, V-12, 4-Stroke Water-Cooled Diesel
Bore 6.69 in
Stroke 7.48 in
Displacement 3161.03 in³
Compression Ratio 13.5:1
Aspiration TA
Fuel System Direct Unit Injection
Governor Type Woodward
Generator Set Dimensions
Length - Minimum 214.8 in
Length - Maximum 219 in
Width - Minimum 77.8 in
Width - Maximum 78.1 in
Height - Minimum 90.7 in
Height - Maximum 93.2 in
Dry Weight - Genset (minimum) 22210 lb
Dry Weight - Genset (maximum) 23149 lb

Air Inlet System

  • Air cleaner; single element canister type with service indicator

Air Inlet

  • Air cleaner

Cooling

  • Radiator fan and fan drive
  • JWAC.

Exhaust

  • Exhaust flange outlet
  • Dry exhaust manifold

Fuel

  • Secondary fuel filters
  • Primary fuel filter with integral water separator
  • Fuel cooler; not included with packages without radiator
  • Secondary fuel filters
  • Fuel priming pump

Generator

  • IP23 Protection
  • Matched to the performance and output characteristics of Cat engines

Power Termination

  • Busbar

Control Panel

  • Accessory module data link
  • Features include:
  • Over/under voltage (27 / 59)
  • Coolant temperature
  • Generator phase sequence
  • Serial annunciator module data link
  • Low coolant temperature
  • Low oil pressure
  • DC volts
  • Over/under voltage (27/59)
  • Auto/start/stop control
  • Exciter diode monitor
  • Failure to start (overcrank)
  • 6 programmable digital inputs
  • Emergency stop
  • Generator mounted - rear facing
  • Programmable protective relaying functions:
  • Power factor (per phase & average)
  • Alarm acknowledge
  • DC volts
  • kVA (per phase, average & percent)
  • Overspeed
  • IVR includes:
  • RFI suppression
  • Emergency stop pushbutton
  • Package mounted radiator (except C175)
  • Overspeed
  • Emergency stop
  • kVAr (per phase, average & percent)
  • Environmental sealed front face
  • Customer data link (Modbus RTU)
  • Min / max exciter limiter
  • Speed adjust
  • Operating hours
  • True RMS AC metering, 3-phase, +/-2% accuracy
  • Reactive droop capability
  • Customizable screens
  • Volts (L-L & L-N)
  • PLC functionality
  • Digital indication for:
  • RPM
  • High coolant temperature
  • Digital indication for:
  • kW-hr (total)
  • Over/under frequency (81 o / u)
  • Low coolant temperature
  • 24 Volt DC operation
  • kW-hr (total)
  • Oil pressure (psi, kPa or bar)
  • Warning/shutdown with common LED indication of shutdowns for:
  • kVAr-hr (total)
  • EMCP 4.2B
  • 2 Programmable relay outputs (Form C)
  • kVAr-hr (total)
  • kW (per phase, average & percent)
  • kVAr (per phase, average & percent)
  • Engine cool-down timer
  • Over/under frequency (81 o/u)
  • Engine cool-down timer
  • True RMS AC metering, 3-phase, +/-2% accuracy
  • Low coolant level
  • Frequency (Hz)
  • Controls:
  • Generator phase sequence
  • High coolant temperature
  • Communications:
  • Reverse power (kW) (32)
  • Volts (L-L & L-N), frequency (Hz)
  • Alarm acknowledge
  • Environmental sealed front face
  • Controls:
  • Operating hours
  • Generator mounted - rear facing
  • Power factor (per phase & average)
  • kW (per phase, average & percent)
  • Programmable protective relaying functions:
  • Engine cycle crank
  • Reverse power (kW) (32)
  • 24 Volt DC operation
  • Lamp test
  • Text alarm/event descriptions
  • Failure to start (overcrank)
  • Generator set packages include Caterpillar's voltage regulator (IVR)
  • Warning/shutdown with common LED indication of shutdowns for:
  • Text alarm/event descriptions
  • 4 programmable relay outputs (Form A)
  • Lamp test
  • Load histogram feature
  • Coolant temperature
  • Auto/start/stop control
  • Overcurrent (50 / 51)
  • kVA (per phase, average & percent)
  • KVAR/PF modes
  • Engine cycle crank
  • 3 Phase voltage sensing
  • 2 Programmable digital outputs
  • Low oil pressure
  • Reverse reactive power (kVAr) (32RV)
  • EMCP 4 Genset controller
  • RPM
  • Oil pressure (psi, kPa or bar)
  • Amps (per phase & average)
  • Low coolant level
  • Amps (per phase & average)
  • EMCP4.2 controller includes:

Cooling System

  • Radiator fan and fan drive
  • Fan and belt guards
  • JWAC
  • Caterpillar extended life coolant
  • Coolant level sensors
  • Coolant drain line with valve

Exhaust System

  • Dry exhaust manifold.
  • Exhaust flange outlet

Fuel System

  • Fuel cooler; not included with packages without radiator
  • Flexible fuel lines - shipped loose
  • Secondary fuel filters
  • Fuel priming pump

Generators and Attachments

  • LV
  • Winding temperature detectors
  • 3 phase brushless, Salient pole
  • 1800 Frames are Form wound, Permanent magnet excitation (PMG), with winding temperature detectors
  • NEMA Class H insulation system, Class H temperature rise at 40C ambient (125C prime/150C standby)
  • Generator set packages include Caterpillar's digital voltage regulator (CDVR)
  • CDVR includes reactive droop capability, 3-phase voltage sensing, KVAR/PF modes, RFI suppression, min/max exciter. Limiter and exciter diode monitor
  • 6 Lead
  • Internal excitation (IE)
  • Busbar connections, top center mounted, top cable entry. 50 Hz models: IEC standard hole pattern
  • Random wound

Governing System

  • Woodward 2301A isochronous governor

Lube System

  • Integral lube Oil cooler
  • Oil filter, filler and dipstick
  • Oil drain lines and valve
  • Fumes disposal
  • Gear type lube oil pump.
  • Lubricating oil

Mounting System

  • Rubber anti-vibration mounts - shipped loose
  • Rails - engine/generator/radiator mounting

Starting / Charging System

  • Battery disconnect switch
  • Battery and battery rack w/cables
  • 24 Volt electric starting motor

Generator and Attachments

  • Random wound
  • LV
  • 6 Lead
  • 3 phase brushless, Salient pole

General

  • Right hand servicing
  • Caterpillar yellow with high gloss black rails & radiator
  • Flywheel and Flywheel housing-SAE No. 00
  • SAE standard rotation
  • Paint - Caterpillar yellow except rails and radiators gloss black
  • Electric Power Ratings Guide
    application/pdf
    Download ↓
  • 3512, 60 Hz, 1250 ekW Standby/MC, 1135 ekW Prime, 1010 ekW Cont., Low Fuel Consumption Spec Sheet
    application/pdf
    Download ↓
  • 3512, 60 Hz, 1135 ekW, Prime-DCP, Low Fuel Consumption Spec Sheet
    application/pdf
    Download ↓
Need installed dimensions with enclosure and tank? See Model Configurations