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3512 Generator Set

The 3512 generator set has been developed for a wide range of applications, from emergency standby installations such as healthcare and datacenters to continuously powering remote installations. The packages can be optimized for performance that matters to you with either low emissions or low fuel consumption versions available. Backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty, Cat generator sets will provide the reliability and durability you expect.

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Standby Rating
1400/1250 kVA
Prime Power Rating
1275/1150 kVA
Emissions/Fuel Strategy
Low fuel, Low Emissions
Voltage
380 to 415 Volts
Frequency
50 Hz
Speed
1500 rpm
Duty Cycle
Standby, Mission Critical, Prime, Continuous
Maximum Rating
1400 kVA
Minimum Rating
1000 kVA
Engine Model
3512 TA, V-12, 4-Stroke Water-Cooled Diesel
Bore
6.69in
Stroke
7.48in
Displacement
3161.03in³
Compression Ratio
13.5:1
Aspiration
TA
Fuel System
Direct Unit Injection
Governor Type
Woodward
Length – Minimum
203.5in
Length – Maximum
207.5in
Width – Maximum
79.3in
Height – Maximum
92in
Dry Weight – Genset (minimum)
22540lb
Dry Weight – Genset (maximum)
23060lb
  • Air Inlet System
    • Air cleaner; single element canister type with service indicator
  • Control Panel
    • Serial annunciator module data link
    • Accessory module data link
    • 2 Programmable digital outputs
    • Overspeed
    • Low coolant level
    • Oil pressure (psi, kPa or bar)
    • Amps (per phase & average)
    • 24 Volt DC operation
    • 2 Programmable relay outputs (Form C)
    • Auto/start/stop control
    • Speed adjust
    • DC volts
    • Reverse reactive power (kVAr) (32RV)
    • kVA (per phase, average & percent)
    • 6 programmable digital inputs
    • Low oil pressure
    • Text alarm/event descriptions
    • Volts (L-L & L-N)
    • Emergency stop
    • 4 programmable relay outputs (Form A)
    • Programmable protective relaying functions:
    • Coolant temperature
    • Reverse power (kW) (32)
    • kVAr-hr (total)
    • Customer data link (Modbus RTU)
    • Generator mounted – rear facing
    • Over/under frequency (81 o/u)
    • High coolant temperature
    • Engine cool-down timer
    • EMCP4.2 controller includes:
    • Engine cycle crank
    • kW (per phase, average & percent)
    • Lamp test
    • Generator phase sequence
    • Failure to start (overcrank)
    • Operating hours
    • Warning/shutdown with common LED indication of shutdowns for:
    • Environmental sealed front face
    • Emergency stop pushbutton
    • RPM
    • Frequency (Hz)
    • Low coolant temperature
    • kVAr (per phase, average & percent)
    • Alarm acknowledge
    • kW-hr (total)
    • Over/under voltage (27 / 59)
    • Power factor (per phase & average)
    • Overcurrent (50 / 51)
    • Digital indication for:
    • True RMS AC metering, 3 phase, +/-2% accuracy
    • Communication:
    • Controls:
    • Generator mounted – rear facing
    • Low coolant level
    • Communications
    • kVAr (per phase, average & percent)
    • Warning/shutdown with common LED indication of shutdowns for:
    • Controls:
    • 2 Programmable digital outputs
    • Low coolant temperature
    • EMCP4.2 controller includes:
    • Over/under frequency (81 o/u)
    • kW-hr (total)
    • Text alarm/event descriptions
    • Environmental sealed front face
    • RPM
    • Digital indication for:
    • Emergency stop
    • Serial annunciator module data link
    • kVA (per phase, average & percent)
    • Alarm acknowledge
    • kVAr-hr (total)
    • Auto/start/stop control
    • kW (per phase, average & percent)
    • Engine cool-down timer
    • True RMS AC metering, 3-phase, +/-2% accuracy
    • Failure to start (overcrank)
    • Over/under voltage (27/59)
    • EMCP4.2 controls including: Emergency stop pushbutton
    • Low oil pressure
    • 24 Volt DC operation
    • Volts (L-L & L-N)
    • Oil pressure (psi, kPa or bar)
    • Reverse power (kW) (32)
    • Overcurrent (50/51)
    • 6 programmable digital inputs
    • Reverse reactive power (kVAr) (32RV)
    • Generator phase sequence
    • Operating hours
    • High coolant temperature
    • Overspeed
    • Accessory module data link
    • 2 Programmable relay outputs (Form C)
    • Frequency (Hz)
    • Coolant temperature
    • Customer data link (Modbus RTU)
    • Lamp test
    • Power factor (per phase & average)
    • 4 programmable relay outputs (Form A)
    • Speed adjust
    • Amps (per phase & average)
    • Programmable protective relaying functions:
    • DC volts
    • Engine cycle crank
  • Cooling System
    • Coolant drain line with valve
    • JWAC
    • Fan and belt guards
    • Radiator fan and fan drive
    • Caterpillar extended life coolant. (Not included with packages without radiator, installed SF44CTS, shipped loose radiators or heat exchangers)
    • Coolant level sensors (Not included with packages without radiator)
  • Cooling
    • Coolant level sensors (Not included with packages without radiator)
    • Radiator fan and fan drive
    • Fan and belt guards
    • Caterpillar extended life coolant. (Not included with packages without radiator, installed SF44CTS, shipped loose radiators or heat exchangers)
    • JWAC.
    • Coolant drain line with valve
  • Exhaust
    • Dry exhaust manifold
    • Flanged faced outlet(s)
    • Dry exhaust manifold
    • Flanged faced outlet(s)
  • Fuel System
    • Fuel cooler; not included with packages without radiator
    • Secondary fuel filters
    • Fuel priming pump
    • Flexible fuel lines – shipped loose
  • Fuel
    • Fuel priming pump
    • Fuel cooler; not included with packages without radiator
    • Secondary fuel filters
    • Flexible fuel lines – shipped loose
  • Generators And Attachments
    • 3 Phase brushless, Salient pole
    • Exciter diode monitor
    • Note: 1800 Frames are form wound, permanent magnet excitation (PMG), with winding temp detectors
    • RFI suppression
    • 3 Phase voltage sensing
    • Min / max exciter limiter
    • Generator set packages include: Regulator (CDVR)
    • KVAR / PF modes
    • NEMA Class H insulation
    • Internal excitation (IE)
    • Winding temperature detectors
    • Reactive droop capability
    • 50 Hz models: IEC standard hole pattern
    • Class H temperature rise at 40C ambient (125C prime/150C standby)
    • Random wound
    • Busbar connections, top center mounted, top cable entry
    • LV
    • Caterpillar’s digital voltage regulator (CDVR) includes:
    • 6 Lead
    • Winding temperature detectors
    • Busbar connections, top center mounted, top cable entry
    • 50 Hz models: IEC standard hole pattern
    • NEMA Class H insulation
    • 3 phase brushless, Salient pole
    • Exciter diode monitor
    • Caterpillar’s digital voltage regulator (CDVR) includes:
    • KVAR/PF modes
    • 3 Phase voltage sensing
    • Note: 1800 Frames are form wound, permanent magnet excitation (PMG), with winding temp detectors
    • LV
    • 6 Lead
    • Class H temperature rise at 40C ambient (125C prime/150C standby)
    • Reactive droop capability
    • Min / max exciter limiter
    • Random wound
    • Internal excitation (IE)
    • Generator set packages include: Regulator (CDVR)
    • RFI suppression
  • Governing System
    • Woodward 2301A isochronous governor
    • Woodward 2301A isochronous governor
  • Lube System
    • Fumes disposal
    • Oil filter, filler and dipstick
    • Gear type lube oil pump
    • Oil drain lines and valve
    • Lubricating oil
    • Integral lube Oil cooler
    • Fumes disposal
    • Oil drain lines and valve
    • Lubricating oil
    • Integral lube Oil cooler
    • Oil filter, filler and dipstick
    • Gear type lube oil pump
  • Mounting System
    • Rubber anti-vibration mounts – shipped loose
    • Rails – Engine/generator/radiator mounting
    • 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
    • Battery disconnect switch
    • 24 Volt electric starting motor
    • Battery and battery rack w/cables
  • General
    • Flywheel and Flywheel housing-SAE No. 00
    • SAE standard rotation
    • RH service
    • Paint – Caterpillar yellow with high gloss black rails & radiator
    • RH service
    • Flywheel and Flywheel housing-SAE No. 00
    • Paint – Caterpillar yellow with high gloss black rails & radiator
    • SAE standard rotation
  • Engine Options
    • Batteries: [ ] Standard (1400 CCA) [ ] Heavy Duty (2800 CCA)
    • Muffler: [ ] Industrial Grade
    • Battery charger: [ ] 10A [ ] 20A [ ] 35A
    • Starting motors: [ ] Standard [ ] Heavy duty
    • Starting aids: [ ] 220V 50 Hz Jacket water heater
  • Air Inlet System
    • Air inlet protection
    • Remote air inlet adaptors
    • Dual element air cleaners
    • Dual element air cleaners
    • Air inlet protection
    • Remote air inlet adaptors
  • Circuit Breakers
    • Busbar connections
    • Controls packaging – Enclosures
    • EMAX Circuit breakers
    • Optional busbar power connections
    • Center posts busbars
    • 2000, 2500, 3200 and 4000 Amp, 3 pole, IEC rated Circuit breakers
    • EMAX breakers connections
    • Cable entry options
    • 2000, 2500, 3200 and 4000 Amp, 4 pole, IEC rated Circuit breakers
    • Breaker harnesses
    • EMAX breakers connections
    • 2000, 2500, 3200 and 4000 Amp, 3 pole, IEC rated Circuit breakers
    • Center posts busbars
    • Controls packaging – Enclosures
    • 2000, 2500, 3200 and 4000 Amp, 4 pole, IEC rated Circuit breakers
    • Cable entry options
    • Optional busbar power connections
    • Busbar connections
    • Breaker harnesses
    • EMAX Circuit breakers
  • Control System
    • Controller: [ ] EMCP 4.2 [ ] EMCP 4.3 [ ] EMCP 4.4
    • Local annunciator module: [ ] NFPA 110 [ ] Custom
  • Alternators
    • Temperature rise (over 40°C ambient): [ ] 150°C [ ] 125°C [ ] 105°C [ ] 80°C
  • Control Panels
    • Auxiliary boxes
    • Generator temperature monitoring
    • EMCP 4.3, EMCP 4.4
    • Customer connection mounting locations
    • Customer interface options
    • Mounting group – External box clips
    • Local PC monitoring
    • Annunciator modules
    • Governors
    • Ground (Automatically selected)
    • Vandle proof panel door
    • Remote speed adjust
    • Governors
    • Local PC monitoring
    • Ground (Automatically selected)
    • Auxiliary boxes
    • Vandle proof panel door
    • Remote speed adjust
    • Customer Interface options
    • Mounting group – External box clips
    • Customer connection mounting locations
    • Generator temperature monitoring
    • EMCP 4.3
    • EMCP 4.4
  • Cooling System
    • Water level switch gauges
    • Optional radiator arrangements
    • Heat exchangers
    • Optional radiator arrangements
    • Water level switch gauges
    • Heat exchangers
  • Power Termination
    • Power termination: [ ] Busbar [ ] Circuit breaker
    • Circuit breaker rating: [ ] 2000A [ ] 2500A [ ] 3200A [ ] 4000A
    • Circuit breaker operation: [ ] Electrical
    • Circuit breaker trip unit: [ ] LSI [ ] LSIG [ ] LSIG-P
  • Extended Service Contract (esc)
    • Extended Service Contract (ESC): [ ] 2 Year [ ] 3 Year [ ] 5 Year
  • European Certifications
    • European Union Certification
    • Eurasian Conformity (EAC) mark
    • EU Declaration of Conformity
    • European Directive genset, DoI (Declaration of Incorporation)
    • Eurasian Conformity (EAC) mark
    • European Union Certification
    • European Directive genset, DoI (Declaration of Incorporation)
    • EU Declaration of Conformity
  • Exhaust System
    • Through-wall installation kit
    • Mufflers
    • Flexible fittings
    • Muffler mounting kits
    • Through-wall installation kit
    • Muffler mounting kits
    • Mufflers
    • Flexible fittings
  • Fuel System
    • Primary fuel filter
    • Primary fuel filter
  • Generators And Attachments
    • 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, Form wound, Permanent magnet excitation (PMG), No. of leads = 6, pitch= 0.6667
    • Space heater
    • Generator conversion
    • 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, random wound, Internal excitation (IE), No. of leads = 6, pitch= 0.6667
    • 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, random wound, Permanent magnet excitation (PMG), No. of leads = 6, pitch= 0.6667
    • Generator conversion
    • 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, random wound, Internal excitation (IE), 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
    • Space heater
  • Instrumentation
    • Pyrometer and thermocouples
  • Lube System
    • Manual prelube sump pumps
    • Oil level reg-1 shallow pan
    • Electric prelube pumps
    • Manual prelube sump pumps
  • Mounting System
    • Spring type vibration isolators
    • IBC vibration isolators
    • IBC vibration isolators
    • Spring type vibration isolators
  • Protection System
    • Explosion relief valves
    • Explosion relief valves
  • Special Tests / Reports
    • IBC seismic Certifications
    • PGS Test report @ 0.80 power factor
    • Neutral ground-LV
    • PGS Test report @ 1.0 power factor
    • Neutral grounding connection
    • PGS Test report @ 1.0 power factor
    • Neutral ground-LV
    • Neutral grounding connection
    • IBC seismic Certifications
    • PGS Test report @ 0.80 power factor
  • Starting / Charging Systems
    • Ether starting aid
    • 20 Amp Battery charger
    • Oversize battery set
    • 10 Amp Battery chargers
    • 24 Volt dual electric starting motor
    • Jacket water heaters
    • 24 Volt dual electric starting motor
    • Jacket water heaters
    • Ether starting aid
    • Oversize battery set
    • 10 Amp Battery chargers
    • 20 Amp Battery charger
  • General
    • Seismic Certification per applicable building codes: IBC 2000, IBC 2003, IBC 2006, IBC 2009, CBC 2007
    • UL 2200 package
    • The following options are based on regional and product configuration:
    • Engine barring group
    • Engine barring group