3512B Diesel Generator Set

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

Features

  • Cat Generator Set Package

    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

    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

    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

    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

    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

    Certifications

    • UL 2200 Listed
    • CSA
    • IBC seismic certification
    • OSHPD pre-approval
  • One Safe Source

    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

    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

Units for specifications

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 - Minimum 216 in 5487 mm
Length - Maximum 216 in 5487 mm
Width - Minimum 90 in 2286 mm
Width - Maximum 90 in 2286 mm
Height - Minimum 95.3 in 2420 mm
Height - Maximum 95.3 in 2420 mm
Dry Weight - Genset (minimum) 24906 lb 11297 kg
Dry Weight - Genset (maximum) 25567 lb 11597 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

Videos

  • Cat ECS Control Panels
3512B  Diesel Generator Sets (Rear Left)

Documents

Related Attachments