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3512 Generator Set

Diesel Generator Sets
Diesel Generator Sets (172)

Overview

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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
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
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
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Engine Specifications

Stroke
7.48in
Aspiration
TA
Fuel System
Direct Unit Injection
Engine Model
3512 TA, V-12, 4-Stroke Water-Cooled Diesel
Engine Model
3512 TA, V-12, 4-Stroke Water-Cooled Diesel
Frequency
60 Hz
Compression Ratio
13.5:1
Governor Type
Woodward
Aspiration
TA
Fuel System
Direct Unit Injection
Bore
6.69in
Displacement
3161.03in³
Stroke
7.48in
Maximum Rating
NaN
Emissions/Fuel Strategy
Displacement
190mm
Bore
6.69
Fuel System
77.8in

Generator Set Specifications

Minimum Rating
890 ekW
Maximum Rating
1250 ekW
Voltage
380 to 13800 Volts
Frequency
60 Hz
Speed
1800 rpm
Emissions/Fuel Strategy
Low Fuel Consumption
Fuel System
NaN
Length - Maximum
218.8in
Width - Maximum
77.8
Minimum Rating
890 ekW
Voltage
220 to 13800 Volts
Compression Ratio
Aspiration
Displacement
51.8
Mean Effective Pressure Up To
Duty Cycle
Standby, Mission Critical, Prime, Continuous
Standby Rating
1250/1100 ekW
Prime Power Rating
1135/1000 ekW

Generator Set Dimensions

Dry Weight - Genset (minimum)
22210lb
Length - Maximum
218.8in
Dry Weight - Genset (maximum)
22650lb
Height - Maximum
93.2in
Width - Maximum
77.8in
Length - Minimum
214.8in

Standard/Optional Features

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

Optional Equipment:

  • 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 isolators
    • IBC isolators
    • Rubber anti-vibration mounts
  • Certificates
    • EU Declaration of Conformity
    • Eurasian Conformity (EAC) mark
    • European union certification
    • European Directive genset, DoI (Declaration of Incorporation)
  • 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 kit
    • 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 - Dual 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

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See how 3512 (60 Hz) compares against frequently compared products

3512 (60 Hz) Diesel Generator Sets

Engine Model
3512 TA, V-12, 4-Stroke Water-Cooled Diesel
Voltage
380 to 13800 Volts
Maximum Rating
1250 ekW
Selected Model

C1.1 (60 Hz) Diesel Generator Sets

Engine Model
C1.1, In-line 4, 4-cycle diesel
Voltage
110 to 480 Volts
Maximum Rating
8.8 ekW
View Full Specs

C1.1 (50 Hz) Diesel Generator Sets

Engine Model
C1.1, In-line 4 4-cycle diesel
Voltage
110 to 415 Volts
Maximum Rating
9.5 kVA
View Full Specs

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