3512B Diesel Generator Set

  • Exterior View

3512B Diesel Generator Set

Minimum Rating 1230 kW
Maximum Rating 1500 kW
Emissions/Fuel Strategy Low Fuel, Low Emissions
Voltage 380 to 480 Volts
Frequency 60 Hz
Speed 1800 rpm
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Generator Set Specifications
Minimum Rating 1230 kW
Maximum Rating 1500 kW
Emissions/Fuel Strategy Low Fuel, Low Emissions
Voltage 380 to 480 Volts
Frequency 60 Hz
Speed 1800 rpm
Duty Cycle Standby, Mission Critical, Prime, Continuous
Standby Rating 1500/1400 kW
Prime Power Rating 1360/1275 kW
Engine Specifications
Engine Model 3512B TA, V-12, 4-Stroke Water-Cooled Diesel
Bore 7 in
Stroke 7 in
Displacement 52 in³
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 208 in
Width - Maximum 90 in
Height - Maximum 95 in
Dry Weight - Genset (minimum) 24,297 lb
Dry Weight - Genset (maximum) 24,959 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

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
  • Air Inlet System
    • Air cleaner; single element canister type with service indicator
  • Control System
    • True RMS AC metering, 3-phase, +/-2% accuracy
  • Control Panel
    • DC volts
    • 24 Volt DC operation
    • kVA (per phase, average & percent)
    • Engine cool-down timer
    • Coolant temperature
    • kW-hr (total)
    • Amps (per phase & average)
    • Over/under frequency (81 o/u)
    • Text alarm/event descriptions
    • Accessory module data link
    • Alarm acknowledge
    • Warning/shutdown with common LED indication of shutdowns for:
    • Auto/start/stop control
    • Controls:
    • Failure to start (overcrank)
    • Generator mounted - rear facing
    • kVAr (per phase, average & percent)
    • kVAr-hr (total)
    • Reverse reactive power (kVAr) (32RV)
    • Volts (L-L & L-N)
    • Serial annunciator module data link
    • 4 programmable relay outputs (Form A)
    • Lamp test
    • Operating hours
    • Overcurrent (50/51)
    • kW (per phase, average & percent)
    • Communications:
    • 6 programmable digital inputs
    • RPM
    • Engine cycle crank
    • 2 Programmable relay outputs (Form C)
    • IVR includes reactive droop capability, 3-phase voltage sensing
    • High coolant temperature
    • Digital indication for:
    • Environmental sealed front face
    • Power factor (per phase & average)
    • Speed adjust
    • Emergency stop pushbutton
    • Limiter and exciter diode monitor
    • Low oil pressure
    • EMCP 4.2B
    • Low coolant level
    • 2 Programmable digital outputs
    • KVAR/PF modes, RFI suppression, min/max exciter
    • Oil pressure (psi, kPa or bar)
    • Customer data link (Modbus RTU)
    • True RMS AC metering, 3-phase, +/-2% accuracy
    • Overspeed
    • Frequency (Hz)
    • Emergency stop
    • Generator set packages include Caterpillar's voltage regulator (IVR)
    • Reverse power (kW) (32)
    • Low coolant temperature
    • Generator phase sequence
    • Programmable protective relaying functions:
    • Over/under voltage (27/59)
  • Cooling System
    • Caterpillar extended life coolant. (Not included with packages without radiator, installed SF44CTS, shipped loose radiators or heat exchangers)
    • Fan and belt guards
    • JWAC
    • Coolant drain line with valve
    • Coolant level sensors (Not included with packages without radiator)
  • Exhaust
    • Dry exhaust manifold
    • Flanged faced outlet(s)
  • Fuel System
    • Fuel cooler; not included with packages without radiator
    • Fuel priming pump
    • Secondary fuel filters
    • Flexible fuel lines - shipped loose
  • Generators And Attachments
    • NEMA Class H insulation
    • Winding temperature detectors
    • Internal excitation (IE) or Permanent magnet excitation (PMG)
    • LV
    • 6 Lead
    • 60 Hz models: NEMA standard hole pattern
    • Class H temperature rise at 40C ambient (125C prime / 150C standby)
    • 3 Phase brushless, Salient pole
    • Busbar connections, top center mounted, top cable entry
    • Random wound
  • Governing System
    • Woodward 2301A isochronous governor
  • Lube System
    • Oil drain lines and valve
    • Lubricating oil
    • Integral lube Oil cooler
    • Fumes disposal
    • Gear type lube oil pump
    • Oil filter, filler and dipstick
  • Mounting System
    • Rails - engine/generator/radiator mounting
    • Rubber anti-vibration mounts - shipped loose
  • Starting / Charging System
    • Battery disconnect switch
    • Battery and battery rack w/cables
    • 24-Volt electric starting motor
    • 50 Amp Charging alternator
  • General
    • SAE standard rotation
    • Paint - Caterpillar yellow with high gloss black rails & radiator
    • Flywheel and Flywheel housing-SAE No. 00
    • RH service
  • Air Inlet System
    • Air cleaner: Includes installed single element Cat filter and service indicator
    • Dual element air filters
    • Single stage air cleaners
  • Control Panels
    • Cat connect (must choose one)
    • RTD module - may select one
    • Modbus monitoring of packages
    • First local annunicator
    • EMCP 4.3, EMCP 4.4
    • CAN2 network equipment
    • Remote custom annunciator
    • Locale discrete I / O package
    • Vandle proof panel door
  • Cooling System
    • Optional radiator arrangements
    • Water level gauge
    • Coolant
  • Control System
    • Generator temperature monitoring
  • Exhaust System
    • Exhaust Y Adapters
    • Exhaust elbows
    • Mufflers
    • Flexible fittings
    • Exhaust flange and expanders
  • Generators And Attachments
    • Space heater control
    • Generator conversion
    • Space heater
  • Instrumentation
    • Pyrometer and thermocouples
  • Lube System
    • Oil level regulator
    • Prelube manual sump pump
    • Electric prelube sump pump
    • Lube oil
  • Special Tests / Reports
    • PGS Test report @ 0.8 power factor
    • Generator test report
    • Standard generator TVA report
    • PGS Test report @ 0.8 power factor
    • Custom generator TVA report
    • Torsional vibration analysis
    • PGS Test report @ 1.0 power factor
    • Standard engine test charge
    • Generator test report
    • Standard engine test charge
    • PGS Test report @ 1.0 power factor
    • Generator fuel consumption test
  • General
    • Barring devices
  • Crankcase System
    • Ventilation system
    • Protection systems
  • Batteries And Battery Housing
    • 24 Volt battery set - Dry
    • Battery chargers - 10, 20 and 35 amp
  • Power Connection System
    • EMCP voltage and current sensing groups
    • Breaker power connections
    • Center post busbars
  • Circuit Breaker - Lv Packages
    • Right hand power connections
    • Electronically operated circuit breakers
  • Mounting System
    • Low efficiency isolators
    • Spring type vibration isolators
    • Spring type vibration isolators
    • Low efficiency isolators puck
  • Power Connections
    • Low voltage - Package mounted circuit breakers
    • Low voltage - 1400 and 1600 Frame generators
    • Electrically operated circuit breakers
    • Low voltage - Power connection options
  • Starting / Charging System
    • Jacket water heater wiring groups
    • 35 Amp Battery charger
    • 20 Amp Battery charger
    • Jacket water heaters
    • 10 Amp Battery charger
    • Electric starting motors
    • Starter cover
    • Batteries, racks and cables
  • Starting / Charging Systems
    • Electric starting motors
    • Starter cover
    • Jacket water heater
  • Extended Service Coverage
    • Gold - 36,48, 60, 120 month coverage
    • Cat branded commercial power system
    • Silver - 36 ,48, 60, 120 month coverage
    • Platinum - 24, 36, 48, 60, 120 month coverage
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