Diesel Generator Sets 3512C (60 Hz) 1230 - 1500 ekW Diesel Generator Set

3512C (60 Hz)

Features At A Glance

Cat Generator Set Package
Cat Diesel Engine
SR5 Alternator
EMCP 4 Control Panel
Cooling System
One Safe Source
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Product Specifications for 3512C (60 Hz)

Generator Set Specifications

Engine Specifications

Generator Set Dimensions

3512C (60 Hz) Standard Equipment

Air Inlet System

  • Air cleaner; single element canister type with service indicator

Air Inlet

  • Air Cleaner


  • Package mounted radiator


  • Exhaust flange outlet


  • Secondary fuel filter
  • Primary fuel filter with integral water separator
  • Fuel priming pump


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

Power Termination

  • Busbar

Control Panel

  • EMCP 4 Genset Controller

Control System

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

Cooling System

  • Coolant level sensors (Not included with packages without radiator)
  • SCAC
  • Radiator fan and fan drive
  • Coolant drain line with valve
  • Fan and belt guards
  • Caterpillar extended life coolant (Not included with packages without radiator, installed SF44CTS

Exhaust System

  • Flanged faced outlet(s)
  • Dry exhaust manifold

Fuel System

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

Generators and Attachments

  • Medium voltage:
  • Internal excitation
  • High voltage
  • Permanent magnet
  • Winding temperature detectors
  • NEMA Class H insulation, Class H temperature rise at 40C ambient (125C prime/150C standby)
  • Busbar connections, right side extension box, bottom cable entry
  • Busbar connections, top center mounted, top cable entry
  • Low voltage:
  • Class H insulation, Class F temperature rise at 40C ambient (105C prime/130C standby)
  • NEMA Class H insulation, Class H temperature rise at 40C ambient (125C prime / 150C standby)
  • NEMA standard hole pattern
  • 3 phase brushless, salient pole
  • NEMA standard hole pattern
  • 6 Leads
  • Random wound
  • NEMA standard hole pattern
  • Form wound

Governing System



  • English

Lube System

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

Mounting System

  • Rubber anti-vibration mounts (shipped loose)

Starting / Charging System

  • 45 Amp charging alternator
  • Battery and battery rack w/cables
  • Battery disconnect switch
  • 24 Volt electric starting motor


  • Flywheel and Flywheel housing-SAE No. 00
  • SAE Standard Rotation
  • Right hand servicing
  • Paint: Caterpillar yellow with high gloss black rails & radiator

3512C (60 Hz) Optional Equipment

Control Panels

  • EMCP 4.3, EMCP 4.4


  • Exhaust mufflers

Air Inlet System

  • Heavy duty air cleaner
  • Single element filter


  • Permanent magnet excitation (PMG)
  • Oversize and premium generators
  • Internal excitation (IE)
  • Anti-condensation heater

Cooling System

  • Coolant
  • Standard installed ATAAC radiators
  • Optional installed ATAAC radiators
  • Optional installed radiators
  • Water level switch gauges
  • Standard installed radiators

Power Termination

  • Circuit breakers, IEC compliant
  • Circuit breakers, UL listed

Exhaust System

  • Flanges
  • Flange and exhaust expanders
  • Y Adapters
  • Flexible fittings
  • Elbows
  • Mufflers

Fuel System

  • Primary fuel filter


  • US aid emblem


  • IBC isolators
  • Rubber anti-vibration mounts
  • Spring-type vibration isolator

Generators and Attachments

  • Differential current transformers (DCT) 15 kV class
  • RW, IE, 6 leads, Pitch 0.6667
  • Differential current transformers (DCT) 8.7 kV class
  • 1400, 1600, 2700 Frames
  • Space heater
  • Generator air cleaner
  • Generator conversion from IE to PM
  • Low Voltage: 380,440 / 480 Volts, 3 Phase, 1800 rpm


  • Jacket water heater
  • Air starting motor with control and silencer
  • Battery chargers
  • Charging alternator
  • Heavy-duty starting system
  • Oversize batteries


  • Wiring GP W/O cyl sensors
  • Pyrometer and thermocouples

Lube System

  • Prelube pumps
  • Oil level regulator
  • Oil drains
  • Lubrication oil in standard sump

Crankcase Protection

  • No explosion relief valves
  • No crankcase explosion relief valve
  • Explosion relief valve
  • Crankcase ventilation system

Mounting System

  • Puck style low efficiency isolators
  • IBC vibration isolators
  • Spring type vibration isolators

Power Connections

  • Cable entry - Right side
  • Center post buss bar
  • Rear power connections
  • Right side power connections
  • 2000, 2500,3200 Amp, 3 Pole, IEC Rated Circuit Breakers
  • 1600 ,2000, 2500, 3000, 4000 Amp, 3 Pole, UL-100% rated circuit breakers
  • Left side power connections
  • Six lead, six terminal option
  • 2000, 2500 Amp, 4 Pole, IEC Rated Circuit Breakers
  • Neutral ground connections
  • Grounding groups

Special Tests / Reports

  • Standard engine test charge
  • PGS test report @ 1.0 power factor
  • CSA certification
  • IBC seismic certification
  • Fuel consumption test
  • Torsional vibration analysis
  • Generator test report
  • Generator fuel consumption test
  • PGS test report @ 0.8 power factor

Starting / Charging System

  • 10 Amp battery charger
  • 24 Volt battery set - Dry
  • Engine barring device
  • 35 Amp battery charger
  • Air starting motor
  • Air pressure regulator
  • Batteries, racks and cables:
  • Jacket water heaters
  • Electric starting motors
  • Starter covers

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