3512 (60 Hz) with Upgradeable Package

3512 with Upgradeable Package

Producing reliable power from 890 to 1250 eKW 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 are optimized for low fuel consumption.

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Specifications

NameTypeValueUnit Value (Imperial)Unit NameUnit Value (Metric)Unit Name (Metric)
Standby Ratingtext1250/1100 ekW
Prime Power Ratingtext1135/1000 ekW
Emissions/Fuel StrategytextLow Fuel Consumption

View All Specifications (22)

Documents & Spec Sheets

Electric Power Ratings Guide

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3512, 60 Hz, 1250 ekW Standby/MC, 1135 ekW Prime, 1010 ekW Cont., Low Fuel Consumption Spec Sheet

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3512, 60 Hz, 1135 kVA, Prime-DCP, Low Fuel Consumption Spec Sheet

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Features & Benefits

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
One Safe Source
  • Components used in the generator set are selected based on seamless design integration to provide the optimum 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

Complete Specifications

Generator Set Specifications

NameTypeValueUnit Value (Imperial)Unit NameUnit Value (Metric)Unit Name (Metric)
Standby Ratingtext1250/1100 ekW
Prime Power Ratingtext1135/1000 ekW
Emissions/Fuel StrategytextLow Fuel Consumption
Voltagetext380 to 480 Volts
Frequencytext60 Hz
Speedtext1800 rpm
Duty CycletextStandby, Mission Critical, Prime, Continuous
Maximum Ratingtext1250 ekW
Minimum Ratingtext890 ekW
Engine Modeltext3512A, V-12, 4-Stroke Water-Cooled Diesel
Boremeasurement6.69in170mm
Strokemeasurement7.48in190mm
Displacementmeasurement3161.03in³51.8l
Compression Ratiotext13.5:1
AspirationtextTA
Fuel SystemtextMUI
Governor TypetextWoodward
Length - Maximummeasurement203.5in5169mm
Width - Maximummeasurement79.3in2015mm
Height - Maximummeasurement92in2336mm
Dry Weight - Genset (minimum)measurement22099lb10024kg
Dry Weight - Genset (maximum)measurement22540lb10224kg

Standard Equipment

Air Inlet System

  • Air cleaner; single element canister type with service indicator

Control Panel

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

Cooling System

  • Coolant level sensors (Not included with packages without radiator)
  • Coolant drain line with valve
  • Fan and belt guards
  • JWAC
  • Caterpillar extended life coolant. (Not included with packages without radiator, installed SF44CTS, shipped loose radiators or heat exchangers)
  • 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 System

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

Generators and Attachments

  • Internal excitation (IE) or Permanent magnet excitation (PMG)
  • Winding temperature detectors
  • 6 Lead
  • LV
  • 60 Hz models: NEMA standard hole pattern
  • Busbar connections, top center mounted, top cable entry
  • 3 Phase brushless, Salient pole
  • Random wound
  • NEMA Class H insulation
  • Class H temperature rise at 40C ambient (125C prime / 150C standby)
  • KVAR/PF modes
  • Exciter diode monitor
  • Caterpillar's digital voltage regulator (CDVR) includes:
  • RFI suppression
  • Reactive droop capability
  • Min / max exciter limiter
  • Note: 1800 Frames are form wound, permanent magnet excitation (PMG), with winding temp detectors
  • Generator set packages include: Regulator (CDVR)
  • 3 Phase voltage sensing

Governing System

  • Woodward 2301A isochronous governor

Lube System

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

Mounting System

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

Starting / Charging System

  • 24-Volt electric starting motor
  • Battery and battery rack w/cables
  • 50 Amp Charging alternator
  • Battery disconnect switch

General

  • Flywheel and Flywheel housing-SAE No. 00
  • SAE standard rotation
  • RH service
  • Paint - Caterpillar yellow with high gloss black rails & radiator

Optional Equipment

Air Inlet System

  • Single stage air cleaners
  • Dual element air filters

Circuit breakers

  • 2000, 2500, 3200 and 4000 Amp, 4 pole, IEC rated Circuit breakers

Control Panels

  • Remote custom annunicator
  • CAN2 network equipment
  • Modbus monitoring of packages
  • EMCP 4.3, EMCP 4.4
  • Local discrete I/O package
  • Vandle proof panel door
  • Cat connect
  • Load share module options
  • First local annunciator

Cooling System

  • Coolant
  • Water level gauge
  • Optional radiator arrangements

Exhaust System

  • Exhaust flexible fittings
  • Industrial grade (15 db) mufflers
  • Exhaust elbows
  • Exhaust Y Adapters

Generators and Attachments

  • Space heater control
  • Space heater
  • Generator conversion
  • Space heater
  • Space heater control
  • 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, random wound, Permanent magnet excitation (PMG), No. of leads = 6, pitch= 0.6667
  • 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, Form wound, Permanent magnet excitation (PMG), No. of leads = 6, pitch= 0.6667

Lube System

  • Oil level regulator
  • Lube oil
  • Primary fuel systems
  • Prelube sump pump
  • Oil level regulator

Special Tests / Reports

  • Gensets vibration analysis
  • PGS Test report @ 1.0 power factor
  • PKG factory test report
  • Standard genset TVA report
  • Standard engine test charge
  • Fuel consumption test
  • Generator test report
  • Standard engine test charge
  • PGS Test report @ 0.8 power factor
  • PGS Test report @ 1.0 power factor
  • Torsional vibration analysis
  • Generator test report

Crankcase System

  • Protection systems
  • Ventilation system
  • Protection systems
  • Ventilation system

Batteries and Battery Housing

  • Battery chargers - 10, 20 and 35 amp
  • 24 Volt battery set - Dry
  • Battery chargers - 10, 20 and 35 amp
  • 24 Volt battery set - Dry

Mounting System

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

Instrumentation

  • Pyrometer and thermocouples

Protection System

  • Explosion relief valves

Starting / Charging Systems

  • Oversize battery set
  • Jacket water heater
  • Electric starting motors
  • Jacket water heaters
  • 24 Volt dual electric starting motor
  • Starter cover

General

  • Barring devices

Power Connection System

  • Breaker power connections
  • EMCP voltage and current sensing groups
  • Center post busbars

Circuit breaker - LV Packages

  • Electronically operated circuit breakers
  • Right hand power connections

Attachments