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C7.1 (50 Hz)

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Overview

Producing reliable power from 135 to 218 kVA at 50 Hz, our C7.1 diesel generator sets designed to ISO 8528-5 transient response requirements. All C7.1 generator sets are available with a choice of emissions levels.

Generator Set Specifications

  • Minimum Rating 135 kVA 135 kVA
  • Maximum Rating 218 kVA 218 kVA
  • Emissions/Fuel Strategy Non Regulated, EU Stage IIIA Non Regulated, EU Stage IIIA
  • Voltage 110 to 480 Volts 110 to 480 Volts
  • Frequency 50 Hz 50 Hz
  • Speed 1500 rpm 1500 rpm
  • Duty Cycle Standby, Prime Standby, Prime

Engine Specifications

  • Engine Model Cat® C7.1 Cat® C7.1
  • Bore 4.1 in 105.0 mm
  • Stroke 5.3 in 135.0 mm
  • Displacement 427.8 in³ 7.0 l
  • Compression Ratio 16.0:1, 18.2:1 16.0:1, 18.2:1
  • Aspiration Turbocharged, Air to Air Aftercooled Turbocharged, Air to Air Aftercooled
  • Fuel System Direct Injection Direct Injection
  • Governor Type Mechanical Mechanical

Generator Set Dimensions

  • Length - Maximum 98.4 in 2500.0 mm
  • Width - Maximum 52.0 in 1320.0 mm
  • Height - Maximum 64.0 in 1626.0 mm

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 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 55°C (131°F)
  • Contact your Cat Dealer for specific ambient and altitude capabilities
  • Certifications

    Fully prototype tested with certified torsional vibration analysis available

    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
  • C7.1 (50 Hz) Standard Equipment

    Air Inlet System

    • Air Cleaner; light duty with disposable element

    Control Panels

    • EMCP 4.1

    Cooling System

    • Radiator and cooling fan with guards
    • Coolant drain line with valves
    • Fan drive, battery charging alternator drive
    • Caterpillar extended life coolant

    Fuel System

    • Standard open set fuel tank / base supplied
    • Base, formed steel with single wall integral 8-hour fuel tank

    Generator and Generator Attachments

    • 12 leads
    • IP23 protection
    • Voltage regulator (single phase sensing)
    • Tower panel, IP22, bottom cable entry
    • Segregated low voltage (AC/DC) wiring panel
    • Circuit breaker, IEC, 3 pole, mounted in tower panel

    Governing System

    • Mechanical and electrical governing system - model dependent

    Lube System

    • Lubricating oil
    • Oil drain line with valve

    Mounting System

    • Captive linear vibration isolators between base and engine-generator
    • Includes lifting provision and drag points
    • Termination points for coolant and lube oil drain lines

    Starting / Charging System

    • 24V battery with rack and cables

    General

    • Engine and alternator pre-paint, Caterpillar Yellow

    C7.1 (50 Hz) Optional Equipment

    Alternator System

    • R frame auxiliary winding: R2273L4 SE aux alt 07, aux alt 08 and aux alt 10
    • Optional LC frame alternators
    • Optional LC frame alternator with coastal insulation protection
    • Permanent magnet
    • 3 Phase sensing
    • Quatrature droop king
    • Anti-condensation heater

    Circuit Breakers

    • 4 Pole 250A, 400A and 630 A Circuit Breakers
    • Padlockable breaker device

    Control System

    • EMCP 4.2

    Control Panel Options

    • Volt free contacts
    • Speed adjust contacts
    • Speed adjust potentiometer
    • Panel mounted audible alarm
    • Earth fault (2 wire only)
    • Earth leakage (2 wire only)
    • Overload shutdown via breaker
    • Battery charger
    • Emergency stop with key
    • Control panel heater

    Cooling System

    • Coolant heater
    • Low coolant temperature
    • Low coolant level shutdown

    Enclosures

    • Sound attenuated level 2 enclosure
    • Sound attenuated level 1 enclosure
    • Rental options (CAE only) - Single point lift
    • Rental options (CAE only) - Rental pack
    • Rental options (CAE only) - CEE form sockets for enclosure
    • Rental options (CAE only) - Socket blanking plate

    European Certifications

    • Upgrade to STD set for CE

    Fuel Systems

    • Open set narrow tankbase
    • Compact skidbase for open sets
    • Skidbase for CALG enclosure sets
    • DEFRA bunded fuel tank
    • Low fuel level shutdown
    • Low fuel level alarm
    • High fuel level alarm

    Global Certifications

    • Certification for CIS

    Mounting Options

    • Electronic governor
    • Residential silencer
    • Silencer installation kit

    Test Reports

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

    General

    • Stone guards / radiator trans flange

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