3512A (50 Hz) with Flexible Packaging

3512A (50 Hz) with Flexible Packaging Standard Equipment

Air Inlet System

  • Air cleaner; single element canister type with service indicator

Control Panel

  • EMCP4.2 controls including: Emergency stop pushbutton
  • EMCP4.2 controller including:
  • 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)
  • Coolant 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)
  • Communications
  • 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)


  • 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


  • Paint - Caterpillar Yellow with high gloss black rails & radiator
  • RH Service
  • Flywheel and Flywheel housing-SAE No. 00
  • SAE Standard Rotation

3512A (50 Hz) with Flexible Packaging 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


  • 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


  • Engine barring group

Select Units


Producing reliable power from 1000 kVA to 1400 kVA at 50 Hz, our 3512A with Flexible Packaging diesel generator sets are made to meet your mission critical, continuous, standby and prime applications. We've designed each to ISO 8528-5 transient response requirements and to accept 100 percent rated load in one step. Our integrated control system keeps you connected through on-site and remote monitoring options. We offer easy-to-use EMCP control panel options, combining your management and diagnostic tools in one. The EMCP 4.4 controller provides multi-generator set paralleling capability, giving you the ability to add generator sets to match your growing power requirements. Browse a broad range of accessories and bolt-on system expansion attachments. Find flexible packaging to fit unique spatial requirements and environmental conditions. Our 3512A generator sets are made for demands, so you can make yours.

Generator Set Specifications

  • Minimum Rating 1000 kVA 1000 kVA
  • Maximum Rating 1400 kVA 1400 kVA
  • Voltage 220 to 13800 220 to 13800
  • Frequency 50 Hz 50 Hz
  • Speed 1500 RPM 1500 RPM

Generator Set Configurations

  • Emissions/Fuel Strategy Low Fuel Consumption, Low Emissions Low Fuel Consumption, Low Emissions

Engine Specifications

  • Engine Model C32 TA, V-12, 4-Stroke Water-Cooled Diesel C32 TA, V-12, 4-Stroke Water-Cooled Diesel
  • Bore 145 mm (5.71 in) 145 mm (5.71 in)
  • Displacement 32.1 L (1958.86 in3) 32.1 L (1958.86 in3)
  • Stroke 162 mm (6.38 in) 162 mm (6.38 in)
  • Compression Ratio 15.0:1 15.0:1
  • Aspiration TA TA
  • Governor Type Adem™A4 Adem™A4
  • Fuel System MEUI MEUI
  • Exhaust Flange Size - Internal Diameter 203.2 mm (8.0 in) 203.2 mm (8.0 in)
  • Air Inlet Single element canister style with service indicator Single element canister style with service indicator

Cat Generator Set Package

Cat generator set packages have been fully prototype tested, and certified torsional vibration analysis reports are available. The packages are designed to accept 100% load in one step, meet the NFPA 110 requirement for loading, and conform to the ISO 8528-5 steady state and transient response requirements

Cat Diesel Engines

The four cycle Cat diesel engine combines consistent performance with excellent fuel economy and transient response that meets or exceeds ISO 8528-5. The engines have been designed and built for a wide range of applications and can be optimized for low fuel consumption or low emissions. The engines feature a reliable, rugged, and durable design that has been field proven in thousands of applications worldwide from emergency standby installations to continuously operating power plants.

Cooling System

The cooling system has been designed to operate in standard ambient temperatures up to 50°C (122°F), with optional high ambient radiators available. The factory installed cooling system has been designed and tested to ensure proper generator set cooling, and includes the radiator, fan, belts, and all guarding installed as standard. Contact your Cat Dealer for specific ambient and altitude capabilities.


The generators used on Cat packages have been designed and tested to work with the Cat engine. The generators are built with robust Class H insulation and provide industry leading motor starting capability. Random wound generators provide good generator performance in a majority of applications and form wound is available for harsh mechanical and electrical environments.

EMCP Control Panels

The EMCP controller features the reliability and durability you have come to expect from your Cat equipment. The EMCP 4 is a scalable control platform designed to ensure reliable generator set operation, providing extensive information about power output and engine operation. EMCP 4 systems can be further customized to meet your needs through programming and expansion modules.

World Wide Product Support

Cat Dealers have over 1,800 dealer branch stores operating in 200 countries, providing extensive pre-sale and post-sale support, from 98% parts availability within 24 hours to an individualized customer support agreement (CSA), the Cat dealer will provide support.

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