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3512 Generator Set

Caterpillar is leading the power generation marketplace with Power Solutions engineered to deliver unmatched flexibility, expandability, reliability, and cost-effectiveness.

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Minimum Rating 890 ekW
Maximum Rating 1250 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
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
Length - Minimum 214.8 in
Length - Maximum 218.8 in
Width - Maximum 77.8 in
Height - Maximum 93.2 in
Dry Weight - Genset (minimum) 22210 lb
Dry Weight - Genset (maximum) 22650 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 filter
  • 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
  • Bus Bar
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 including:
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(s)
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, with winding temperature detectors
  • NEMA Class H insulation, 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
  • 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 loos
  • 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
Exhaust
  • Exhaust mufflers
Air Inlet System
  • Air inlet protection
  • Air cleaner - Dual element
  • Remote air inlet adapters
Generator
  • Oversize and premium generators
  • Internal excitation (IE)
  • Permanent magnet excitation (PMG)
  • Anti-condensation heater
Circuit Breakers
  • Breaker harnesses
  • EMAX breaker connections
  • EMAX breakers
  • Enclosures - control packaging
  • Cable entry options
  • Low voltage, IEC standard hole
  • Optional busbar power connections
  • Busbar connections
Power Termination
  • Circuit breakers, IEC compliant
  • Circuit breakers, UL listed
Control Panels
  • Annunciator modules
  • Customer interface options
  • Auxiliary box
  • Mounting group - External box clips
  • Governors
  • Generator temperature monitoring
Cooling System
  • Heat exchangers
  • 3512 MUI 1500 Radiators PGS
  • Water level switch gauges
Mounting
  • Spring-type vibration isolator
  • IBC isolators
  • Rubber anti-vibration mounts
Certificates
  • EU declaration of conformity
  • Eurasian conformity (EAC) mark
  • European union certification
  • European directive genset DOI
Starting/Charging
  • Jacket water heater
  • Battery chargers
  • Charging alternator
  • Heavy-duty starting system
  • Oversize batteries
  • Air starting motor with control and silencer
Exhaust System
  • Flexible fittings
  • Mufflers
  • Through wall installation kit
Fuel System
  • Primary fuel filter
Generators and Attachments
  • Space heater kt
  • Generator conversions - IE and PM
Instrumentation
  • Pyrometers
Lube System
  • Oil level reg-1 shallow pan
  • Manual prelube sump pumps
  • Electric prelube pumps
Mounting System
  • Vibration Isolator options
Protection System
  • Explosion relief valves
Special Tests / Reports
  • PGS test report @ 0.8 power factor
  • Neutral ground - LV
  • PGS test report @ 1.0 power factor
  • IBC seismic certification
  • Neutral grounding connection
Starting / Charging System
  • Battery chargers (10 and 20 amp)
  • Battery sets - 24 Volt, dry
  • Electric starting motors - Duel 24 Volt
  • Charging alternators
  • Jacket water heaters
  • Starting aids
General
  • Integral & sub-base fuel tanks
  • Enclosures: sound attenuated, weather protective
  • Engine barring group - installed
  • Seismic Certification per applicable building codes: IBC 2000, IBC 2003, IBC 2006, IBC 2009, CBC 2007
  • CSA Certification
  • Integral & sub-base UL listed dual wall fuel tanks
  • The following options are based on regional and product configuration:
  • Automatic transfer switches (ATS)
  • UL 2200 package
  • EU Certificate of Conformance (CE)
  • EEC Declaration of Conformity