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3512C Generator Set

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Overview

Caterpillar is leading the power generation marketplace with Power Solutions engineered to deliver unmatched flexibility, expandability, reliability, and cost-effectiveness.

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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

Cat ECS 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

UL2200
CSA Certified
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

Engine Specifications

Bore: 6.69in
Displacement: 3574in³
Stroke: 8.46in
Aspiration: TA
Fuel System: Electronic unit injection
Engine Model: 3512C ATAAC, V-12, 4-Stroke Water-Cooled Diesel
Compression Ratio: 14.7:1
Governor Type: ADEM™ A3
Aspiration: TA
Fuel System: Electronic unit injection
Bore: 6.69in
Displacement: 3574in³
Stroke: 8.46in

Generator Set Specifications

Minimum Rating: 1600 ekW
Maximum Rating: 1750 ekW
Voltage: 380 to 13800 Volts
Frequency: 60 Hz
Speed: 1800 rpm
Emissions/Fuel Strategy: U.S. EPA Cert., Tier 2
Duty Cycle: Standby, Mission Critical
Width - Minimum: 89.8
Standby Rating: 1750 ekW
Prime Power Rating: 1600 ekW

Generator Set Dimensions

Height - Maximum: 110in
Length - Maximum: 262.9in
Width - Maximum: 89.8in
Dry Weight - Genset (maximum): 32660lb

Standard/Optional Features

Standard Equipment:

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

Optional Equipment:

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

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3512C (1750 ekW, 60 Hz) Diesel Generator Sets

Engine Model: 3512C ATAAC, V-12, 4-Stroke Water-Cooled Diesel
Voltage: 380 to 13800 Volts
Maximum Rating: 1750 ekW

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

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3512C Generator Set