3512B (60 Hz)

Bore: 6.69 in / 170 mm
Stroke: 7.48 in / 190 mm
Displacement: 3573.55 in³ / 58.56 l

Producing reliable power from 1230 to 1500 ekW at 60 Hz, our 3512B 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 both low fuel consumption and low emission systems.

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Electric Power Ratings Guide 3512B, 60 Hz, 1400 ekW Standby, 1275 ekW Prime, Low Fuel Consumption or Low Emissions Spec Sheet 3512B, 60 Hz, 1500 ekW Standby/MC, 1360 ekW Prime, 1230 ekW Cont., Low Fuel Consumption or Low Emissions Spec Sheet 3512B, 60 Hz, 1275 ekW, Prime-DCP, Low Fuel Consumption or Low Emissions Spec Sheet 3512B, 60 Hz, 1360 ekW, Prime-DCP, Low Fuel Consumption or Low Emissions Spec Sheet

Specifications
Equipment
Related Products

Generator Set Specifications
Standby Rating	1500/1400 ekW
Prime Power Rating	1360/1275 ekW
Emissions/Fuel Strategy	Low Fuel, Low Emissions
Voltage	380 to 13800 Volts
Frequency	60 Hz
Speed	1800 rpm
Duty Cycle	Standby, Mission Critical, Prime, Continuous
Maximum Rating	1500 ekW
Minimum Rating	1230 ekW

Engine Specifications
Engine Model	3512B TA, V-12, 4-Stroke Water-Cooled Diesel
Bore	6.69 in / 170 mm
Stroke	7.48 in / 190 mm
Displacement	3573.55 in³ / 58.56 l
Compression Ratio	14.0:1 Std 15.5:1 HD
Aspiration	TA
Fuel System	Electronic Unit Injection
Governor Type	ADEM™ A3

Generator Set Dimensions
Length - Maximum	221.9 in / 5637.5 mm
Width - Maximum	90 in / 2286 mm
Height - Maximum	93.2 in / 2367.2 mm
Dry Weight - Genset (minimum)	24430 lb / 25090 kg
Dry Weight - Genset (maximum)	25090 lb / 11380 kg

Standard Equipment

Air Inlet System
- Air cleaner; single element canister type with service indicator
Exhaust System
- Exhaust flange outlet
- Dry exhaust manifold
- Flanged faced outlet(s)
Generator
- IP23 Protection
- Matched to the performance and output characteristics of Cat engines
Power Termination
- Busbar
Control Panel
- Cat ECS Genset controller
Control System
- Alarm acknowledge
- kW-hr (total)
- Lamp test
- Over/under voltage (27 / 59)
- Digital indication for:
- DC volts
- PLC functionality
- Speed adjust
- 4 Programmable relay outputs (Form A)?
- Text alarm/event descriptions
- Warning/shutdown with common LED indication of shutdowns for:
- Engine cycle crank
- Emergency stop
- Auto/start/stop control
- RPM
- Reverse power (kW) (32)
- True RMS AC metering, 3-phase, +/-2% accuracy
- Accessory module data link
- Low coolant level
- kVAr-hr (total)
- kVAr (per phase, average & percent)
- 1 Programmable relay outputs (Form C)
- Over/under frequency (81 o/u)
- Low oil pressure
- Amps (per phase & average)
- Failure to start (overcrank)
- Cat ECS 100
- Controls:
- High coolant temperature
- Communications
- Number of I/O varies on options selected
- 24 Volt DC operation
- Engine cool-down timer
- Low coolant temperature
- Generator phase sequence
- Frequency (Hz)
- Volts (L-L & L-N)
- Reverse reactive power (kVAr) (32RV)
- Oil pressure (psi, kPa or bar)
- Customizable screens
- Generator set packages include Caterpillar's voltage regulator (IVR). IVR includes reactive droop capability, 3-phase voltage sensing, KVAR / PF modes, RFI suppression, min max exciter. Limiter and exciter diode monitor
- Load histogram feature
- 1 Programmable digital outputs
- Customer data link (Modbus RTU)
- Overspeed
- Environmental sealed front face
- Coolant temperature
- kW (per phase, average & percent)
- Programmable protective relaying functions:
- kVA (per phase, average & percent)
- Power factor (per phase & average)
- Emergency stop pushbutton
- Generator mounted - rear facing
- Cat connect
- Overcurrent (50 / 51)
Cooling System
- Package mounted radiator
- Radiator fan and fan drive
- Fan and belt guards
- Coolant drain line with valve
- Caterpillar extended life coolant (Not included with packages without radiator, installed SF44CTS
- Coolant level sensors (Not included with packages without radiator)
- SCAC
Fuel System
- Primary fuel filter with integral water separator
- Secondary fuel filters
- Flexible fuel lines - shipped loose
- Fuel priming pump
- Fuel cooler; not included with packages without radiator
Generators and Attachments
- Low voltage:
- Random wound
- 6 Leads
- NEMA standard hole pattern
- High voltage
- Busbar connections, right side extension box, bottom cable entry
- NEMA Class H insulation system, Class H temperature rise at 40C ambient (125C prime / 150C standby)
- Permanent magnet excitation (PMG)
- NEMA standard hole pattern
- Medium voltage:
- Busbar connections, top center mounted, top cable entry
- NEMA Class H insulation system, Class H temperature rise at 40C ambient (125C prime / 150C standby)
- Winding temperature detectors
- Form wound
- 3 Phase brushless, Salient pole
- Class H insulation, Class F temperature rise at 40C ambient (105C prime / 130C standby)
- Internal excitation (IE)
Governing System
- ADEM III
Literature
- Parts book
Lube System
- Lubricating oil
- Gear type lube oil pump
- Oil drain lines and valve
- Fumes disposal
- Integral lube Oil cooler
- Oil filter, filler and dipstick
Mounting System
- Rubber anti-vibration mounts - shipped loose
Starting / Charging System
- Battery disconnect switch
- Battery and battery rack w/cables
- 45 Amp Charging alternator
- 24 Volt electric starting motor
General
- Paint - Caterpillar yellow with high gloss black rails & radiator
- Flywheel and Flywheel housing-SAE No. 00
- Right hand servicing
- SAE standard rotation

Optional Equipment

Control Panels
- Remote monitoring software
- Digital I/O module
- EMCP 4.4
- Load share module
- Generator temperature monitoring & protection
Exhaust System
- Exhaust mufflers
- Flanges
- Elbows
- Flange and exhaust expanders
- Mufflers
- Y Adapters
- Flexible fittings
Generator
- Oversize and premium generators
- Permanent magnet excitation (PMG)
- Internal excitation (IE)
- Anti-condensation heater
Air Inlet System
- Heavy duty air cleaner
- Single element filter
Power Termination
- Circuit breakers, UL listed
- Circuit breakers, IEC compliant
Cooling System
- Standard installed radiators
- Optional installed radicators
- Coolant
- Water level switch gauges
Fuel System
- Primary fuel filter
General
- UL 2200 package
- EEC Declaration of Conformity
- Seismic Certification per applicable building codes: IBC 2000, IBC 2003, IBC 2006, IBC 2009, CBC 2007
- CSA Certification
- Enclosures: Sound attenuated, weather protective
- Automatic transfer switches (ATS)
- Integral & sub-base fuel tanks
- The following options are based on regional and product configuration:
- US aid emblem
- Integral & sub-base UL listed dual wall fuel tanks
- EU Certificate of Conformance (CE)
Generators and Attachments
- 1400, 1600, 2700 Frames
- Generator conversion from IE to PM
- Space heater
- RW, IE, 6 Leads, Pitch 0.6667
- Low voltage: 380,440 / 480 Volts, 3 Phase, 1800 rpm
- Differential current transformers (DCT) 15 kV class
- Generator air cleaner
- Differential current transformers (DCT) 8.7 kV class
Mounting
- IBC isolators
- Rubber anti-vibration mounts
- Spring type vibration isolators
Starting/Charging
- Air starting motor with control and silencer
- Heavy duty starting system
- Charging alternator
- Oversize batteries
- Battery chargers
- Jacket water heater
Instrumentation
- Wiring GP W/O cyl sensors
- Pyrometer and thermocouples
Lube System
- Lubrication oil in standard sump
- Oil drains
- Prelube pumps
- Oil level regulator
Crankcase Protection
- Explosion relief valves
- No crankcase explosion relief valves
- Crankcase ventilation system
- No explosion relief valves
Mounting System
- IBC vibration isolators
- Puck style low efficiency isolators
- Spring type vibration isolators
Power Connections
- 2000, 2500 Amp, 4 Pole, IECrated Circuit breakers
- Cable entry - right side
- Grounding groups
- Left side power connections
- 1600 ,2000, 2500, 3000, 4000 Amp, 3 Pole, UL-100% rated Circuit breakers
- 2000, 2500, 3200 Amp, 3 Pole, IEC rated Circuit breakers
- Rear power connections
- Neutral ground connections
- 6 Leads, 6 terminal option
- Right side power connections
- Center post buss bar
Special Tests / Reports
- Generator test report
- PGS Test report @ 0.8 power factor
- Standard engine test charge
- CSA Certification
- Torsional vibration analysis
- Generator fuel consumption test
- PGS Test report @ 1.0 power factor
- IBC seismic Certification
- Fuel consumption test
Starting / Charging System
- Air pressure regulator
- Batteries, racks and cables:
- Air starting motor
- 35 Amp Battery charger
- 24 Volt battery set - Dry
- Starter cover
- 10 Amp Battery charger
- Engine barring device
- Jacket water heaters
- Electric starting motors

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.

3512B (60 Hz)

Standard Equipment

Optional Equipment

Switchgear and Paralleling Controls

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