DG450 GC (3 phase)

DG450-2 (Single-phase)

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.

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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

Documents & Brochures

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

Additional information

Offering Type

Generator Set Specifications - Frequency

60 Hz
Generator Set Specifications - Natural Gas Rating

450 ekW
Generator Set Specifications - Emissions/Fuel Strategy

U.S. EPA Certified for Non-Emergency Application
Generator Set Specifications - Voltage

120/208, 120/240, 277/480, 346/600 VAC
Engine Specifications - Engine Model

G21.9L V12, 4-Cycle, Spark -Ignited
Generator Set Specifications - Displacement

21.9 l ( 1336.42 in³ )
Engine Specifications - Fuel System

Carburetor, Down Draft
Generator Set Specifications - Fuel Type

Natural Gas
Generator Set Specifications - Speed

1800 rpm
Engine Specifications - Aspiration

Turbocharged – Aftercooled
Engine Specifications - Governor Type

Electronic
Engine Specifications - Bore

128 mm ( 5.03 in )
Engine Specifications - Stroke

142 mm ( 5.6 in )
Generator Set Dimensions - Length

3923 mm ( 154.4 in )
Generator Set Dimensions - Width

1803 mm ( 71 in )
Generator Set Dimensions - Height

1702 mm ( 67 in )
Generator Set Dimensions - Weight

3753 kg ( 8274 lb )
Engine Specifications - Compression Ratio

10.0:1

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