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3512B (50 Hz) Generator Set

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

Generator Set Specifications

Standby Rating 1875/1750 kVA
Prime Power Rating 1700/1600 kVA
Emissions/Fuel Strategy Low Fuel, Low Emissions
Voltage 380 to 415 Volts
Frequency 50 Hz
Speed 1500 rpm
Duty Cycle Standby, Mission Critical, Prime
Maximum Rating 1875 kVA
Minimum Rating 1600 kVA

Engine Specifications

Engine Model 3512B TA, V-12, 4-Stroke Water-Cooled Diesel
Bore 6.69in
Stroke 8.46in
Displacement 3576in³
Displacement - HD 3576in³
Compression Ratio 15.5:1 HD
Aspiration TA
Fuel System Electronic Unit Injection
Governor Type ADEM™ A3
Stroke - HD 8.46in

Generator Set Dimensions

Length - Minimum 206.6in
Length - Maximum 215.3in
Width - Minimum 77.8in
Width - Maximum 90in
Height - Maximum 93.2in
Dry Weight - Genset (minimum) 25010lb
Dry Weight - Genset (maximum) 26840lb

Standard Equipment

  • Air Inlet System
    • Aingle element canister type air cleaner with service indicator
  • Air Inlet
    • Air cleaner
  • Cooling
    • Package mounted radiator (except C175)
  • Control Panel
    • Speed adjust
    • Oil pressure (psi, kPa or bar)
    • 4 Programmable relay outputs (Form A)
    • kVAr (per phase, average & percent)
    • Over/under frequency (81 o/u)
    • Operating hours
    • Accessory module data link
    • Text alarm/event descriptions
    • Amps (per phase & average)
    • DC volts
    • Frequency (Hz)
    • 2 Programmable relay outputs (Form C)
    • kVAr-hr (total)
    • Volts (L-L & L-N)
    • RPM
    • kW (per phase, average & percent)
    • Over/under voltage (27 / 59)
    • Environmental sealed front face
    • Controls:
    • Engine cool-down timer
    • Customer data link (Modbus RTU)
    • High coolant temperature
    • 2 Programmable digital outputs
    • Power factor (per phase & average)
    • 24 Volt DC operation
    • Overspeed
    • Alarm acknowledge
    • Lamp test
    • kW-hr (total)
    • Low coolant temperature
    • Emergency stop
    • Generator phase sequence
    • Auto/start/stop control
    • Cat ECS 100
    • Low oil pressure
    • Engine cycle crank
    • Programmable protective relaying functions:
    • Reverse power (kW) (32)
    • Generator mounted - rear facing
    • Digital indication for:
    • Overcurrent (50 / 51)
    • Warning/shutdown with common LED indication of shutdowns for:
    • kVA (per phase, average & percent)
    • Serial annunciator module data link
    • Emergency stop button
    • Reverse reactive power (kVAr) (32RV)
    • 6 Programmable digital inputs
    • Failure to start (overcrank)
    • Low coolant level
    • Communications
    • Coolant temperature
    • True RMS AC metering, 3 phase, +/-2% accuracy
  • Exhaust
    • Exhaust flange outlet
  • Fuel
    • Primary fuel filter with integral water separator
    • Secondary fuel filters
    • Fuel priming pump
  • Control System
    • Failure to start (overcrank)
    • Auto/start/stop control
    • Cat ECS 100
    • Lamp test
    • Emergency stop pushbutton
    • 4 programmable digital inputs
    • Volts (L-L & L-N)
    • Low coolant level
    • Overspeed
    • frequency (Hz)
    • Engine cycle crank
    • DC volts
    • Coolant temperature
    • Alarm acknowledge
    • True RMS AC metering, 3-phase, +/-2% accuracy
    • Communications
    • 24 Volt DC operation
    • Engine cool-down timer
    • RPM
    • Warnings/shutdown indicators
    • Digital indication for:
    • Oil pressure
    • Low oil pressure
    • Amps (per phase & average)
    • Speed adjust
    • Emergency stop
    • 4 programmable digital outputs
    • Operating hours
    • High coolant temperature
  • Generator
    • Matched to the performance and output characteristics of Cat engines
    • IP23 Protection
  • Power Termination
    • Busbar
  • Generator System
    • Internal excitation (IE)
    • NEMA Class H insulation
    • Caterpillar's digital voltage regulator (CDVR)
    • Class H temperature rise at 40C ambient
    • 3-phase voltage sensing
    • Busbar connections
    • min/max exciter
    • Random wound
    • 3 phase brushless, Salient pole
    • RFI suppression
    • Winding temperature detectors
    • 6 Lead
  • Literature
    • Operation & Maintenance Manual
    • Parts book
  • Cooling System
    • Coolant drain line with valve
    • Radiator fan and fan drive
    • Fan and belt guards
    • JWAC
    • Caterpillar extended life coolant. (Not included with packages without radiator, installed SF44CTS, shipped loose radiators or heat exchangers)
    • Coolant level sensors (Not included with packages without radiator)
  • Exhaust System
    • Dry exhaust manifold
    • Flanged faced outlet(s)
  • Fuel System
    • Flexible fuel lines - shipped loose
    • Secondary fuel filters
    • Fuel priming pump
    • Fuel cooler; not included with packages without radiator
  • Generators And Attachments
    • 6 Leads
    • Note: 1800 Frames are form wound, permanent magnet excitation (PMG), with winding temp detectors
    • Busbar connections, top center mounted, top cable entry
    • KVAR / PF modes
    • Internal excitation (IE)
    • Generator set packages include: Regulator (CDVR)
    • RFI suppression
    • Winding temperature detectors
    • NEMA Class H insulation
    • 50 Hz models: IEC standard hole pattern
    • Reactive droop capability
    • 3 Phase brushless, Salient pole
    • Exciter diode monitor
    • Min / max exciter limiter
    • Random wound
    • 3 Phase voltage sensing
    • LV
    • Class H temperature rise at 40C ambient (125C prime / 150C standby)
    • Caterpillar's digital voltage regulator (CDVR) includes:
  • Governing System
    • Woodward 2301A isochronous governor
  • Lube System
    • Lubricating oil
    • Fumes disposal
    • Integral lube Oil cooler
    • Oil drain lines and valve
    • Gear type lube oil pump
    • Oil filter, filler and dipstick
  • Mounting System
    • Rubber anti-vibration mounts - shipped loose
    • Rails - Engine/generator/radiator mounting
  • 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
    • SAE standard rotation
    • Flywheel and Flywheel housing-SAE No. 00

Optional Equipment

  • Air Inlet System
    • Dual element air cleaners
    • Remote air inlet adaptors
    • Air inlet protection
  • Exhaust
    • Exhaust mufflers
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  • Generator
    • Internal excitation (IE)
    • Anti-condensation heater
    • Oversize and premium generators
    • Permanent magnet excitation (PMG)
  • Circuit Breakers
    • Cable entry options
    • Optional busbar power connections
    • EMAX breakers connections
    • Center posts busbars
    • 2000, 2500, 3200 and 4000 Amp, 3 pole, IEC rated Circuit breakers
    • Breaker harnesses
    • 2000, 2500, 3200 and 4000 Amp, 4 pole, IEC rated Circuit breakers
    • Controls packaging - Enclosures
    • Busbar connections
    • EMAX Circuit breakers
  • Power Termination
    • Circuit breakers, UL listed
    • Circuit breakers, IEC compliant
  • Mounting
    • Rubber anti-vibration mounts
    • Spring type vibration isolators
    • IBC isolators
  • Control Panels
    • Annunciator modules
    • Generator temperature monitoring
    • Vandle proof panel door
    • Auxiliary boxes
    • Mounting group - External box clips
    • Ground (Automatically selected)
    • Remote speed adjust
    • Local PC monitoring
    • Customer connection mounting locations
    • EMCP 4.4
    • Governors
    • Customer interface options
  • Starting/charging
    • Oversize batteries
    • Air starting motor with control and silencer
    • Heavy duty starting system
    • Jacket water heater
    • Charging alternator
    • Battery chargers
  • Cooling System
    • Water level switch gauges
    • Heat exchangers
    • Optional radiator arrangements
  • European Certifications
    • European Directive genset, DoI (Declaration of Incorporation)
    • EU Declaration of Conformity
    • European Union certification
    • Eurasian Conformity (EAC) mark
  • Exhaust System
    • Through-wall installation kit
    • Mufflers
    • Muffler mounting kits
    • Flexible fittings
  • Fuel System
    • Primary fuel filter
  • Generators And Attachments
    • Generator conversion
    • 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, random wound, Permanent magnet excitation (PMG), No. of leads = 6, pitch= 0.6667
    • Space heater
    • 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, Form wound, Permanent magnet excitation (PMG), No. of leads = 6, pitch= 0.6667
    • 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, random wound, Internal excitation (IE), No. of leads = 6, pitch= 0.6667
  • Instrumentation
    • Pyrometer and thermocouples
  • Lube System
    • Oil level reg-1 shallow pan
    • Manual prelube sump pumps
    • Electric prelube pumps
  • Mounting System
    • IBC vibration isolators
    • Spring type vibration isolators
  • Protection System
    • Explosion relief valves
  • Special Tests / Reports
    • PGS Test report @ 0.80 power factor
    • PGS Test report @ 1.0 power factor
    • IBC seismic Certifications
    • Neutral ground-LV
    • Neutral grounding connection
  • Starting / Charging System
    • 24 Volt dual electric starting motor
    • Oversize battery set
    • Jacket water heaters
    • Ether starting aid
    • 20 Amp Battery charger
    • 10 Amp Battery chargers
  • General
    • Engine barring group