3512 (60 Hz)

Bore: 6.69 in / 170 mm
Stroke: 7.48 in / 190 mm
Displacement: 3161.03 in³ / 51.8 l

Producing reliable power from 890 to 1250 ekW at 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 offer a low fuel consumption system.

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Electric Power Ratings Guide 3512, 60 Hz, 1250 ekW Standby/MC, 1135 ekW Prime, 1010 ekW Cont., Low Fuel Consumption Spec Sheet 3512, 60 Hz, 1135 ekW, Prime-DCP, Low Fuel Consumption Spec Sheet

Specifications
Equipment
Related Products

Generator Set Specifications
Standby Rating	1250/1100 ekW
Prime Power Rating	1135/1000 ekW
Emissions/Fuel Strategy	Low Fuel Consumption
Voltage	380 to 13800 Volts
Frequency	60 Hz
Speed	1800 rpm
Duty Cycle	Standby, Mission Critical, Prime, Continuous
Maximum Rating	1250 ekW
Minimum Rating	890 ekW

Engine Specifications
Engine Model	3512 TA, V-12, 4-Stroke Water-Cooled Diesel
Bore	6.69 in / 170 mm
Stroke	7.48 in / 190 mm
Displacement	3161.03 in³ / 51.8 l
Compression Ratio	13.5:1
Aspiration	TA
Fuel System	Direct Unit Injection
Governor Type	Woodward

Generator Set Dimensions
Length - Minimum	214.8 in / 5456 mm
Length - Maximum	218.8 in / 5556 mm
Width - Maximum	77.8 in / 1975 mm
Height - Maximum	93.2 in / 2367 mm
Dry Weight - Genset (minimum)	22210 lb / 10080 kg
Dry Weight - Genset (maximum)	22650 lb / 10270 kg

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

Switchgear and Paralleling Controls

Generator switchgear controls, protects and isolates electrical equipment. Our paralleling switchgear is available in low-voltage, medium-voltage, and high-voltage configurations to automatically start, synchronize and parallel generators with the load.

Model	Configuration	Operating Temperature	Standard Widths
Cat Switchgear	IP4X	35 °C / 40 °C @ 1 hr, option for 0…50 °C (32…122 °F)	600 mm for ABB Emax2 E2 1600 - 2500A. 750 mm for ABB Emax2 E4 3200 - 4000A. 1200 mm for ABB Emax2 E6 4000 - 6300A.

3512 (60 Hz)

Standard Equipment

Optional Equipment

Switchgear and Paralleling Controls

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