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360°Exterior View

3512A Generator Set

  • Overview
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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 other 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
  • One Safe Source

  • Components used in the generator set are selected based on seamless design integration to provide the optimum 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
  • Generator Set Specifications
    Minimum Rating 1000 kVA
    Maximum Rating 1400 kVA
    Emissions/Fuel Strategy Low Fuel Consumption, Low Emissions
    Voltage 400 to 415 Volts
    Frequency 50 Hz
    Speed 1500 rpm
    Duty Cycle Standby, Mission Critical, Prime, Continuous
    Engine Specifications
    Engine Model 3512 TA, V-12, 4-Stroke Water-Cooled Diesel
    Bore 170 mm (6.69 in)
    Stroke 190 mm (7.48 in)
    Displacement 51.8 l (3161.03 inu00b3)
    Compression Ratio 13.5:1
    Aspiration TA
    Fuel System Direct Unit Injection
    Governor Type Woodward
    Generator Set Dimensions
    Length - Minimum 5165 mm (203.5 in)
    Length - Maximum 5269 mm (207.5 in)
    Width - Maximum 2015 mm (79.3 in)
    Height - Maximum 2336 mm (92 in)
    Dry Weight - Genset (minimum) 10224 kg (22540 lb)
    Dry Weight - Genset (maximum) 10460 kg (23060 lb)

    Standard Equipment

    • Air Inlet System
      • Air cleaner; single element canister type with service indicator
    • Control Panel
      • EMCP4.2 controls including:
      • Emergency stop pushbutton
      • 24 Volt DC operation
      • Environmental sealed front face
      • Text alarm / event descriptions
      • Generator mounted – rear facing
      • Controls:
      • Speed adjust
      • Auto / start / stop control
      • Engine cool-down timer
      • Engine cycle crank
      • Alarm acknowledge
      • Lamp test
      • True RMS AC metering, 3 phase, +/-2% accuracy
      • Digital indication for:
      • RPM
      • DC volts
      • Operating hours
      • Oil pressure (psi, kPa or bar)
      • Co olant temperature
      • Volts (L-L & L-N)
      • Frequency (Hz)
      • Amps (per phase & average)
      • Power Factor (per phase & average)
      • kW (per phase, average & percent)
      • kVA (per phase, average & percent)
      • kVAr (per phase, average & percent)
      • kW-hr (total)
      • kVAr-hr (total)
      • Warning / shutdown with common LED indication of shutdowns for:
      • Low oil pressure
      • High coolant temperature
      • Overspeed
      • Emergency stop
      • Failure to start (overcrank)
      • Low coolant temperature
      • Low coolant level
      • Programmable protective relaying functions:
      • Generator phase sequence
      • Over / under voltage (27 / 59)
      • Over / under frequency (81 o/u)
      • Reverse Power (kW) (32)
      • Reverse Reactive Power (kVAr) (32RV)
      • Overcurrent (50 / 51)
      • Communication:
      • Customer data link (Modbus RTU)
      • Accessory module data link
      • Serial annunciator module data link
      • 6 programmable digital inputs
      • 4 programmable relay outputs (Form A)
      • 2 programmable relay outputs (Form C)
      • 2 programmable digital outputs
    • Cooling System
      • JWAC
      • Radiator fan and fan drive
      • Fan and belt guards
      • Coolant drain line with valve
      • Coolant level sensors. (Not included with packages without radiator)
      • Caterpillar extended life coolant. (Not included with packages without radiator, installed SF44CTS, shipped loose radiators or heat exchangers)
    • Exhaust
      • Dry exhaust manifold
      • Flanged faced outlet(s)
    • Fuel System
      • Secondary fuel filters
      • Fuel cooler; not included with packages without radiator
      • Flexible fuel lines – shipped loose
      • Fuel priming pump
    • Generators and Attachments
      • 3 Phase brushless, salient pole
      • 6 Lead
      • Generator set packages include: Regulator (CDVR)
      • Caterpillar’s Digital Voltage Regulator (CDVR) includes:
      • Reactive droop capability
      • 3 Phase voltage sensing
      • KVAR / PF modes
      • RFI suppression
      • Min / max exciter limiter
      • Exciter diode monitor
      • LV:
      • Random wound
      • Internal Excitation
      • NEMA Class H insulation
      • Class H temperature rise at 40C ambient (125C prime/150C standby)
      • Winding temperature detectors
      • Busbar connections, top center mounted, top cable entry
      • 50 Hz models: IEC standard hole pattern
      • Note: 1800 frames are form wound, permanent magnet, with winding temp detectors
    • Governing System
      • Woodward 2301A isochronous governor
    • Lube System
      • Lubricating oil
      • Gear type lube oil pump
      • Integral lube oil cooler
      • Oil filter, filler and dipstick
      • Oil drain lines and valve
      • Fumes disposal
    • Mounting System
      • Rails – engine / generator / radiator mounting
      • Rubber anti-vibration mounts (shipped loose)
    • Starting / Charging System
      • 24-volt electric starting motor
      • Battery and battery rack w/cables
      • Battery disconnect switch
    • General
      • Paint – Caterpillar Yellow with high gloss black rails & radiator
      • RH Service
      • Flywheel and Flywheel housing-SAE No. 00
      • SAE Standard Rotation

    Optional Equipment

    • Air Inlet System
      • Dual Element air cleaners
      • Remote air inlet adaptors
      • Air Inlet protection
    • Circuit Breakers
      • Optional busbar power connections
      • Breaker harnesses
      • Center posts busbars
      • Cable entry options
      • Controls packaging – Enclosures
      • EMAX circuit breakers
      • 2000, 2500, 3200 and 4000 Amp, 3 pole, IEC rated circuit breakers
      • 2000, 2500, 3200 and 4000 Amp, 4 pole, IEC rated circuit breakers
      • Busbar connections
      • EMAX breakers connections
    • Control Panels
      • EMCP 4.3, EMCP 4.4
      • Customer connection mounting locations
      • Annunciator modules
      • Governors
      • Mounting group – External box clips
      • Auxiliary boxes
      • Customer interface options
      • Generator temperature monitoring
      • Remote speed adjust
      • Vandle proof panel door
      • Local PC monitoring
      • Ground (Automatically selected)
    • Cooling System
      • Optional radiator arrangements
      • Water level switch gauges
      • Heat exchangers
    • European Certifications
      • European Union Certification
      • EU declaration of conformity
      • Eurasian conformity (EAC) mark
      • European directive genset, DoI (Declaration of Incorporation)
    • Exhaust System
      • Mufflers
      • Muffler mounting kits
      • Flexible fittings
      • Through-wall installation kit
    • Fuel System
      • Primary fuel filter
    • Generators and Attachments
      • 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, random wound, internal excitation, No. of leads = 6, pitch= 0.6667
      • 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, random wound, permanent magnet, No. of leads = 6, pitch= 0.6667
      • 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, form wound, permanent magnet, No. of leads = 6, pitch= 0.6667
      • Generator conversion
      • Space heater
    • Instrumentation
      • Pyrometer and thermocouples
    • Lube System
      • Oil level Reg-1 shallow pan
      • Electric prelube pumps
      • Manual prelube sump pumps
    • Mounting System
      • Spring-type vibration isolator
      • IBC vibration isolators
    • Protection System
      • Explosion relief valve
    • Special Tests / Reports
      • Neutral grounding connection
      • Neutral ground-LV
      • PGS test report @ 1.0 power factor
      • PGS test report @ 0.80 power factor
      • IBC seismic certifications
    • Starting / Charging Systems
      • 10 Amp battery chargers
      • 20 Amp battery charger
      • Oversize battery set
      • 24 Volt dual electric starting motor
      • Ether starting aid
      • Jacket water heaters
    • General
      • Engine barring group

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