Producing reliable power of 1750 ekW at 60 Hz, our 3512C 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 are U.S. EPA Certified for Stationary Emergency Use Only (Tier 2 Nonroad Equivalent Emission Standards)
Cat
3512C Generator Set
Overview
Photos
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3512C_50Hz_Flush_Mount, Rear Right -
3512C_50Hz_Flush_Mount, Rear Left -
3512C_50Hz_Flush_Mount, Front Left -
3512C_50Hz_Flush_Mount, Frontr Right
Videos
360° View
Exterior
360° Exterior view. Double click on the image to zoom in on any area of the product.
Showroom
Virtual Product tour
Features
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 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
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
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
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
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
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
- Cat product support, including dealer service, parts and warranty covers the entire Cat power system
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
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
Specifications
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Generator Set Specifications
Spec Value Standby Rating 1750 ekW Prime Power Rating 1600 ekW Emissions/Fuel Strategy U.S. EPA Cert., Tier 2 Voltage 380 to 13800 Volts Frequency 60 Hz Speed 1800 rpm Duty Cycle Standby, Mission Critical Maximum Rating 1750 ekW Minimum Rating 1600 ekW -
Engine Specifications
Spec Value Engine Model 3512C ATAAC, V-12, 4-Stroke Water-Cooled Diesel Bore 6.69 in Stroke 8.46 in Displacement 3574 in³ Compression Ratio 14.7:1 Aspiration TA Fuel System Electronic unit injection Governor Type ADEM™ A3 -
Generator Set Dimensions
Spec Value Length - Maximum 262.9 in Width - Maximum 89.8 in Height - Maximum 110 in Dry Weight - Genset (maximum) 32660 lb
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
Cat Switchgear
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