3512 (60 Hz)

3512 Generator Set

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.

Cat Generator Set Package

  • Cat generator set packages have been fully prototype tested
  • Accepts 100% block load in one step and meets NFPA 110 loading requirements
  • Conform to ISO 8528-5 steady state and transient response requirements

Cat Diesel Engine

  • Reliable, rugged, durable design
  • Field-proven in thousands of applications worldwide
  • Four-stroke-cycle diesel engine combines consistent performance and excellent fuel economy with minimum weight

SR5 Alternator

  • Superior motor starting capability minimizes need for oversizing alternator
  • Designed to match performance and output characteristics of Cat diesel engines
  • Robust Class H insulation

EMCP 4 Control Panel

  • User-friendly interface and navigation
  • Scalable system to meet a wide range of installation requirement
  • Expansion modules and site-specific programming for specific customer requirements

Cooling System

  • Designed to operate in standard ambient temperatures up to 50°C (122°F)
  • Contact your Cat Dealer for specific ambient and altitude capabilities

Certifications

  • UL 2200 Listed
  • CSA
  • IBC seismic certification
  • OSHPD pre-approval

One Safe Source

  • Components used in the generator set are selected at the design stage to provide optimum package performance
  • The generator set is fully assembled at a Caterpillar facility following our quality guidelines
  • Each generator set package is tested before leaving the Caterpillar facility
  • Cat product support, including dealer service, parts and warranty covers the entire Cat power system

Worldwide Product Support

  • Cat dealers have over 1,800 dealer branch stores operating in 200 countries
  • Your local Cat dealer provides extensive post-sale support, including maintenance and repair agreements

Standard Equipment

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
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