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DG400-2 (Three phase)

Electric Power
Electric Power (322)

Overview

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

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Engine
  • Four-stroke-cycle gas 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
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
Design Criteria
  • The generator set facilitates compliance with NFPA 110 and meets ISO 8528-5 requirements for transient response
  • Cooling system designed to operate in 50˚C/122˚F ambient temperatures with an air flow restriction of 0.5 in. water
UL 2200 / CSA - Optional
  • UL 2200 Listed packages
  • CSA Certified
  • Certain restrictions may apply
  • Consult with your Cat® Dealer
Worldwide 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
Engine
  • Four-stroke-cycle gas 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
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
Design Criteria
  • The generator set facilitates compliance with NFPA 110 and meets ISO 8528-5 requirements for transient response
  • Cooling system designed to operate in 50˚C/122˚F ambient temperatures with an air flow restriction of 0.5 in. water
UL 2200 / CSA - Optional
  • UL 2200 Listed packages
  • CSA Certified
  • Certain restrictions may apply
  • Consult with your Cat® Dealer
Worldwide 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
1 of 6 items

Generator Set Specifications

Voltage
120/208, 120/240, 277/480, 346/600 VAC
Frequency
60 Hz
Natural Gas Rating
400 ekW
RPM
1800 rpm
Emissions/Fuel Strategy
U.S. EPA Certified for Non-Emergency Application
Fuel Type
Natural Gas
Displacement
1336.42in
Compression Ratio
10.0:1

Engine Specifications

Engine Model
G21.9L spark-ignited
Fuel System
Carburetor, Down Draft
Compression Ratio
10.0:1
Governor Type
Electronic
Aspiration
Turbocharged - Aftercooled
Bore
5.03in
Stroke
5.6in
Compression Ratio
10.0:1

Generator Set Dimensions

Length
154.4in
Width
71in
Height
67in
Weight
8429lb

Standard/Optional Features

Standard Equipment:

  • Cooling
    • Closed coolant recovery system
    • Factory-installed radiator
    • 50/50 Ethylene glycol antifreeze
  • Fuel
    • Low fuel pressure switch
    • Primary and secondary fuel shut-off
    • Fuel pressure test po
  • Generator
    • Class H insulation material
    • Full load capacity alternator
    • Permanent magnet excitation
  • Controls
    • EMCP 4.2 Series generator set controller
  • Mounting
    • Vibration isolaton (puck type)
  • Electric Starting And/or Prelube
    • Engine electrical system
    • Solenoid activated starter motor
    • Battery cables
  • Electric Power - Package Serial Number Prefix
    • Battery charging alternator

Optional Equipment:

  • Generator
    • Anti-condensation heater
    • Shunt trip and auxiliary contact breaker
    • Thermal magnetic or electronic trip MCCBs

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