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C7.1 (50 Hz)

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Overview

Providing reliable energy solutions ,our C7.1 diesel generator sets are made to meet your standby and prime three phase applications. All standby C7.1 generator sets are supplied with 4 years extended service coverage as standard. We've designed each to ISO 8528-5 transient response requirements. C7.1 generator sets are available with a choice of emissions levels from non regulated up to EU Stage IIIA emissions compliant. We offer easy-to-use Cat control panels, EMCP 4.1 or EMCP 4.2 options. Browse a broad range of accessories including galvanised sound attenuated enclosures and integral fuel tanks. Our C7.1 generator sets are made for demands, so you can make yours.

Generator Set Specifications

  • Minimum Rating 135 kVA 135 kVA
  • Maximum Rating 218 kVA 218 kVA
  • Voltage 110 to 480 Volts 110 to 480 Volts
  • Frequency 50 Hz 50 Hz
  • Speed 1500 rpm 1500 rpm

Generator Set Configurations

  • Emissions/Fuel Strategy Non Regulated, EU Stage IIIA Non Regulated, EU Stage IIIA

Engine Specifications

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

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

Design Criteria

  • The generator set is designed to meet ISO8528-5 transient response and NFPA 110.
  • Cooling system designed to operate in 50˚C / 122˚F ambient temperatures with an air flow restriction of 0.5 in. water
  • 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
  • IP 23 Protection
  • Cat EMCP Control Panel

    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. The EMCP4.1 is fitted as standard

    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

    CE Certification

    CE Certification available

    General

  • Single wall 8 hour wide fuel tank
  • Circuit breaker, IEC, 3 pole
  • Industrial Silencer (10 dBA)
  • 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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