Electric Power

  • Specs Summary
  • Minimum Rating
    890 ekW
  • Maximum Rating
    1250 ekW
  • Prime
  • Standby

3512A Generator Set

Producing reliable power from 890 ekW to 1250 ekW at 60 Hz, our 3512 diesel generator sets are engineered for your mission critical, continuous, standby and prime applications. Each meet ISO 8528-5 transient response requirements and accept 100 percent rated load in one. And each is designed for low fuel consumption reducing operating costs. Our integrated control system, including Cat® UPS, ATS and switchgear, secure your power supply and keep you connected to your fleet through on-site and remote monitoring. Our EMCP4 control panel provides a flexible control platform, with an easy-to-use display — it’s your single source for management and diagnostics tools. We know it’s not just quality that matters but customization. Choose from a broad range of accessories and bolt-on system expansion attachments. Find flexible packaging options to work with your spatial restrictions and environment conditions.

Generator Set Specifications

  • Minimum Rating 890 ekW
  • Maximum Rating 1250 ekW
  • Voltage 220 to 13800 Volts
  • Frequency 60 Hz
  • Speed 1800 RPM

Generator Set Configurations

  • Emissions/Fuel Strategy Low Fuel Consumption

Engine Specifications

  • Engine Model 3512 TA, V-12, 4-Stroke Water-Cooled Diesel
  • Bore 6.69 (170 )
  • Displacement 3161.03 (51.8 )
  • Stroke 7.48 (190 )
  • Compression Ratio 13.5:1
  • Aspiration TA
  • Governor Type Woodward
  • Fuel System Direct Unit Injection

Generator Set Dimensions

Standard Equipment

Air Inlet

  • Air cleaner; single element canister type with service indicator

Control Panel

  • EMCP4.2 controls including: Emergency stop pushbutton
  • EMCP4.2 controller including:
  • 24-volt DC operation
  • Environmental sealed front face
  • Text alarm / event descriptions
  • Generator mounted - rear facing
  • Controls:
  • Speed adjust
  • Auto / start / stop control
  • Engine cool-down timer
  • Engine cycle crank
  • Alarm acknowledge
  • Lamp test
  • True RMS AC metering, 3-phase, +/-2% accuracy
  • Digital indication for:
  • RPM
  • DC volts
  • Operating hours
  • Oil pressure (psi, kPa or bar)
  • Coolant temperature
  • Volts (L-L & L-N)
  • Frequency (Hz)
  • Amps (per phase & average)
  • Power Factor (per phase & average)
  • kW (per phase, average & percent)
  • kVA (per phase, average & percent)
  • kVAr (per phase, average & percent)
  • kW-hr (total)
  • kVAr-hr (total)
  • Warning/shutdown with common LED indication of shutdowns for:
  • Low oil pressure
  • High coolant temperature
  • Overspeed
  • Emergency stop
  • Failure to start (overcrank)
  • Low coolant temperature
  • Low coolant level
  • Programmable protective relaying functions:
  • Generator phase sequence
  • Ove / Under voltage (27/59)
  • Over / Under frequency (81 o/u)
  • Reverse Power (kW) (32)
  • Reverse Reactive Power (kVAr) (32RV)
  • Overcurrent (50/51)
  • Communications
  • Customer data link (Modbus RTU)
  • Accessory module data link
  • Serial annunciator module data link
  • 6 programmable digital inputs
  • 4 programmable relay outputs (Form A)
  • 2 programmable relay outputs (Form C)
  • 2 programmable digital outputs

Cooling

  • JWAC.
  • Radiator fan and fan drive
  • Fan and belt guards.
  • Coolant drain line with valve
  • Coolant level sensors. (Not included with packages without radiator)
  • 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

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

Generator and Attachments

  • 3 phase brushless, salient pole
  • 6 lead
  • Generator set packages include: Regulator (CDVR)
  • Caterpillar's Digital Voltage Regulator (CDVR) includes:
  • Reactive droop capability
  • 3 Phase voltage sensing
  • KVAR/PF modes
  • RFI suppression
  • Min / max exciter limiter
  • Exciter diode monitor
  • LV:
  • Random wound
  • Internal Excitation
  • NEMA Class H insulation
  • Class H temperature rise at 40C ambient (125C prime/150C standby)
  • Winding temperature detectors
  • Busbar connections, top center mounted, top cable entry
  • 50 Hz models: IEC standard hole pattern
  • Note: 1800 frames are form wound, permanent magnet, with winding temp detectors

Power Termination

  • Bus Bar

General

  • Paint - Caterpillar Yellow except rails and radiators gloss black

Optional Equipment

Exhaust

  • Exhaust mufflers <!--(except Tier 4)-->

Generator

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

Power Termination

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

Control Panels

  • EMCP 4.2
  • EMCP 4.3
  • EMCP 4.4
  • Generator temperature monitoring & protection
  • Load share module
  • Digital I/O module
  • Remote monitoring software

Mounting

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

Starting/Charging

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

General

  • The following options are based on regional and product configuration:
  • Seismic Certification per applicable building codes: IBC 2000, IBC 2003, IBC 2006, IBC 2009, CBC 2007
  • UL 2200 package
  • EU Certificate of Conformance (CE)
  • CSA Certification
  • EEC Declaration of Conformity
  • Enclosures: sound attenuated, weather protective
  • Automatic transfer switches (ATS)
  • Integral & sub-base fuel tanks
  • Integral & sub-base UL listed dual wall fuel tanks