DG450 GC (3 phase)

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Overview

The Cat® spark-ignited generator product line for stationary applications feature permanent magnet excitation, amortisseur winding, skewed stator, voltage adjustment through the EMCP controller, Class H winding insulation and 2/3 pitch incorporated.

Generator Set Specifications

Units:
Voltage 120/208, 120/240, 277/480, 346/600 VAC 120/208, 120/240, 277/480, 346/600 VAC Less
Frequency 60 Hz 60 Hz Less
Emissions/Fuel Strategy U.S. EPA Certified for Stationary Emergency Application U.S. EPA Certified for Stationary Emergency Application Less
Fuel Type Natural Gas Natural Gas Less
Speed 1800 rpm 1800 rpm Less

Engine Specifications

Engine Model G21.9L V12, 4-Cycle, Spark -Ignited G21.9L V12, 4-Cycle, Spark -Ignited Less
Fuel System Carburetor, Down Draft Carburetor, Down Draft Less
Aspiration Turbocharged - Aftercooled Turbocharged - Aftercooled Less
Governor Type Electronic Electronic Less
Bore 5.03 in 128.0 mm Less
Stroke 5.6 in 142.0 mm Less

Generator Set Dimensions

Length 154.4 in 3923.0 mm Less
Width 71.0 in 1803.0 mm Less
Height 67.0 in 1702.0 mm Less
Weight 8274.0 lb 3753.0 kg Less

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

DG450 GC (3 phase) Standard Equipment

Cooling
  • Closed coolant recovery system
  • 50/50 Ethylene glycol antifreeze
  • Factory-installed radiator

Fuel
  • Fuel pressure test po
  • Low fuel pressure switch
  • Primary and secondary fuel shut-off

Generator
  • Class H insulation material
  • Permanent magnet excitation
  • Full load capacity alternator

Controls
  • EMCP 4.2 Series generator set controller

Mounting
  • Vibration isolaton (puck type)

Electric Starting and/or Prelube
  • Engine electrical system
  • Battery cables
  • Solenoid activated starter motor

Electric Power - Package Serial Number Prefix
  • Battery charging alternator

DG450 GC (3 phase) Optional Equipment

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

Application Centre

Explore valuable resources for generator sizing, specification, and training materials. SpecSizer evaluates load types, collects data, and organises it to help you select the generator set that's best for you. Find product comparisons, technical data, product sizing, and more using our technical information portal (TIP) specifically created for consultants, architects, engineers, and owners.

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Why Choose Cat® Electric Power?

Caterpillar offers a comprehensive variety of electric power systems, customised to fit your needs. Our specialised systems deliver high power and performance in industries across the globe. With Caterpillar, you get outstanding manufacturing quality, expert support, and the essential tools and applications to complete any project.

Learn More About Electric Power

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Cat generator sets provide a complete factory-built solution with fully featured standard and advanced controls. Optional accessories enhance the capabilities of the genset package-mounted control system.

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