New | 3512C Generator Set

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

Generator Set Specifications
Minimum Rating1750 ekW
Maximum Rating1750 ekW
Emissions/Fuel StrategyU.S. EPA Cert., Tier 2
Voltage380 to 13800 Volts
Frequency60 Hz
Speed1800 rpm
Duty CycleStandby, Mission Critical
Engine Specifications
Engine Model3512C ATAAC, V-12, 4-Stroke Water-Cooled Diesel
Bore6.69 in
Stroke8.46 in
Displacement3574 in³
Compression Ratio14.7:1
AspirationTA
Fuel SystemElectronic unit injection
Governor TypeAdem™3
Generator Set Dimensions
Length - Maximum262.9 in
Width - Maximum89.8 in
Height - Maximum110 in
Dry Weight - Genset (maximum)32660 lb
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

Emcp 4 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
  • cat Product Support, Including Dealer Service, Parts And Warranty Covers The Entire Cat Power System

World Wide 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

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 filter
Generator
  • Matched to the performance and output characteristics of Cat engines
  • IP23 Protection
Power Termination
  • Busbar
Control Panel
  • EMCP 4 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)
  • EMCP 4.2B
  • 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
  • High voltage
  • Six lead
  • NEMA standard hole pattern
  • NEMA Class H insulation, Class H temperature rise at 40C ambient (125C prime / 150C standby)
  • NEMA Class H insulation, 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
  • Form wound
  • 3 Phase brushless, salient pole
  • Bus bar connections, right side extension box, bottom cable entry
  • Low voltage:
  • Busbar connections, top center mounted, top cable entry
  • Medium voltage:
Literature
  • English
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 4.3, 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 valve
  • Explosion relief valve
Mounting System
  • Spring type vibration isolators
  • IBC vibration isolators
  • Puck style low efficiency isolators
Mounting
  • IBC isolators
  • Rubber anti-vibration mounts
  • Spring-type vibration isolator
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 busbar
  • 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 covers
  • Engine barring device
  • Batteries, racks and cables:
  • Electric starting motors

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Download Electric Power Ratings Guide

Download 3512C, 60 Hz, 1750 ekW, U.S. EPA Stationary Emergency. Use only (Tier 2) Data Sheet

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With only a few days notice, we were able to get the emergency system working properly. Hawthorne Cat provided great leadership and excellent field support.
Mark Cripe
Helix Electric
"

San Diego - Power
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Engine Business Manager
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Product Support
General Manager
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Power Systems Rental &
Sales Representative
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