3412C (50 Hz)

3412C (50 Hz) Standard Equipment

Air Inlet System

  • Air cleaner, single element canister type with service indicator

Control Panel

  • EMCP 4.2
  • Run / Auto / Stop Control
  • Speed adjust
  • Voltage adjust
  • Engine cycle crank
  • Emergency stop pushbutton
  • Features:
  • 24-volt DC operation
  • Environmental sealed front face
  • Text alarm / event descriptions
  • 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)
  • 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
  • Compatible with the following optional modules:
  • Digital I/O module
  • Local annunciator
  • Remote CAN annunciator
  • Remote Serial annunciator
  • Generator temperature monitoring module

Cooling System

  • Radiator with guard (Sized for 50 degrees C)
  • Coolant drain line with valve, piped to edge of base
  • Fan and belt guards
  • Caterpillar Extended Life Coolant
  • Coolant level shutdown

Exhaust System

  • Stainless steel exhaust flex with ANSI style outlet flange, gasket, bolts and mating weld flange, shipped loose

Fuel System

  • Primary and secondary fuel filters
  • Fuel priming pump
  • Flexible fuel lines terminated on base
  • Water seperator

Generator and Attachments

  • SR4B self excited
  • Class H insulation
  • Class F temerature rise
  • 12 lead
  • VR6 Voltage Regulator
  • 3-phase sensing
  • 2:1 Volts/Hz
  • Reactive droop
  • Bus bar termination

Governing System

  • Cat electronic governor

Lube System

  • Lubricating oil
  • Oil filter
  • Oil drain line with valve, piped to edge of base
  • Fumes disposal, piped to front of radiator

Mounting System

  • Base, formed steel with linear vibration isolators between base and engine-generator

Starting / Charging System

  • 45 amp charging alternator
  • Fuel shutoff solenoid
  • 24 volt starting motor
  • Battery with rack, cables

3412C (50 Hz) Optional Equipment

Air Inlet System

  • Duel element air cleaners
  • Heavy duty air cleaners
  • Open element air cleaners

Circuit breakers

  • 1250, 1600 Amp, 3 pole, IEC 100% rated, 24 volt DC shunt trip
  • 1600 Amp, 3 pole, Non-UL, 100% rated, 24 volt DC shunt trip

Control Panel

  • EMCP 4.3
  • EMCP 4.4
  • Vandal proof panel door
  • Common alarm / shutdown relay
  • Generator running VFC
  • Generator temperature monitoring package
  • Ground fault relay
  • First local annunicators
  • Remote custom annunicators
  • Local discrete I/O package

Cooling System

  • Radiator duct flange
  • Jacket water heaters

European Certifications

  • Eurasian conformity (EAC) mark

Exhaust System

  • Mufflers
  • Elbow kit
  • Through wall installation kit
  • Manifold and turbocharger guard

Generator and Attachments

  • Permanent magnet excitation
  • Digital voltage regulator
  • Space heater
  • Oversize and premium generators

Lube System

  • Manual sump pump

Mounting System

  • Fuel tank base (1200 ltr)

Special Tests / Reports

  • PGS test report @ 1.0 power factor
  • PGS test report @ 0.8 power factor

Starting / Charging

  • Battery chargers
  • Oversize batteries
  • Battery disconnect switch
  • Heavy-duty starting system

Governing System

  • Electronic load share

Select Units


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

Generator Set Configurations

  • Emissions/Fuel Strategy Low Fuel Consumption Low Fuel Consumption

Engine Specifications

  • Engine Model 3412C TA, V-12, 4-Stroke Water-Cooled Diesel 3412C TA, V-12, 4-Stroke Water-Cooled Diesel
  • Compression Ratio 13:01 13:01
  • Aspiration TA TA
  • Governor Type ADEM™ A5 ADEM™ A5
  • Fuel System Pump and Lines Pump and Lines
  • Bore 5.4 in 137.2 mm
  • Displacement 1648.86 in³ 27.02 l
  • Stroke 6.0 in 152.4 mm

Generator Set Specifications

  • Minimum Rating 680 kVA 680 kVA
  • Maximum Rating 900 kVA 900 kVA
  • Voltage 208 to 600 Volts 208 to 600 Volts
  • Frequency 50 Hz 50 Hz
  • Speed 1500 RPM 1500 RPM
  • Height - Maximum 75.0 in 1906.0 mm
  • Length - Maximum 162.4 in 1425.0 mm
  • Width - Maximum 78.3 in 1989.0 mm

Design Criteria

The generator set accepts 100% rated load in one step per NFPA 110 and meets ISO 8528-5 transient response.

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
  • Generator

  • Matched to the performance and output characteristics of Cat engines
  • Industry leading mechanical and electrical design
  • Industry leading motor starting capabilities
  • High Efficiency
  • Cat EMCP Control Panel

    The EMCP controller features the reliability and durability you have come to expect from your Cat equipment. EMCP4 is a scalable control platform designed to ensure reliable generator set operation, providing extensive information about power output and engine operation. EMCP4 systems can be further customized to meet your needs through programming and expansion modules.

    Single-Source Supplier

    Fully prototype tested with certified torsional vibration analysis available

    World Wide Product Support

    Cat dealers provide extensive post-sale support including maintenance and repair agreements. Cat dealers have over 1,800 dealer branch stores operating in 200 countries. The Caterpillar S•O•S℠ program cost effectively detects internal engine component condition, even the presence of unwanted fluids and combustion by-products

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