DG250-2 (3 phase)

Overview
Voltage
120 / 208, 120 / 240, 277 / 480, 346 / 600 VAC
Frequency
60 Hz
Natural Gas Rating
250 eKW

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

Generator Set Specification

Voltage
120 / 208, 120 / 240, 277 / 480, 346 / 600 VAC

Generator Set Specifications

Frequency
60 Hz
Natural Gas Rating
250 eKW
Speed
1800 rpm
Emissions/Fuel Strategy
U.S. EPA Certified for Stationary Emergency Application
Displacement
865 in³

Engine Specifications

Engine Model
14.2 L Spark - Ignited
Fuel Type
Natural Gas
Fuel System
Carbureter, Down Draft
Compression Ratio
9.5:1
Bore
5 in
Stroke
7 in
Aspiration
Turbocharged - Aftercooled

Generator Set Dimensions

Length
139 in
Width
58 in
Height
68 in
Weight
6,364 lb

Engine

  • Four-stroke-cycle gas engine combines consistent performance and excellent fuel economy with minimum weight
  • 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
  • Matched to the performance and output characteristics of Cat engines
  • Industry leading mechanical and electrical design
  • Industry leading motor starting capabilities
  • High Efficiency

Cat EMCP Control Panel

The EMCP controller features the reliability and durability you have come to expect from your Cat equipment. EMCP4 is a scalable control platform designed to ensure reliable generator set operation, providing extensive information about power output and engine operation. EMCP4 systems can be further customized to meet your needs through programming and expansion modules.

The EMCP controller features the reliability and durability you have come to expect from your Cat equipment. EMCP4 is a scalable control platform designed to ensure reliable generator set operation, providing extensive information about power output and engine operation. EMCP4 systems can be further customized to meet your needs through programming and expansion modules.

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
  • 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.
  • UL 2200 listed packages
  • CSA Certified
  • Certain restrictions may apply.
  • Consult with your Cat® Dealer.

Worldwide 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.

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.

  • Cooling
    • Factory-installed radiator
    • Closed coolant recovery system
    • 50/50 Ethylene glycol antifreeze
    • Standard ambient temperatures up to 50°C (122°F)
    • Radiator and cooling fan complete with protective guards
  • Air Inlet
    • Single element air filter
  • Fuel
    • Low fuel pressure switch
    • Fuel pressure test po
    • Primary and secondary fuel shut-off
    • Dual lock off valves
    • NPT connection
    • Natural Gas or LP Vapor
  • Generator
    • Class H insulation material
    • Full load capacity alternator
    • Permanent magnet excitation
    • Full load capacity alternator
    • Permanent magnet excitation
    • Matched to the performance and output characteristics of Cat engines
    • Integrated Voltage Regulator
    • Class H insulation material
    • IP23 Protection
  • Exhaust
    • Exhaust outlet with 3” pipe
  • Controls
    • EMCP 4.2 Series generator set controller
  • Mounting
    • Vibration isolaton (puck type)
    • Rubber vibration isolators
  • Electric Starting And/or Prelube
    • Solenoid activated starter motor
    • Engine electrical system
    • Battery cables
    • Solenoid activated starter motor
  • Electric Power - Package Serial Number Prefix
    • Battery charging alternator
  • Governor
    • Electronic governor (non adjustable)
  • Control Panel
    • EMCP 4.2 Series generator set controller
  • Starting/charging
    • 12 volt starting motor
    • Batteries with rack and cables
  • Starting/charging
    • Battery heater
    • Battery charger – UL Listed 10 amp
    • Jacket water heater
    • Charging alternator
  • General
    • CSA Certification
    • Suitable for Use as Service Equipment (SUSE)
    • UL 2200 package
    • Enclosures: sound attenuated, weather protective
    • Automatic transfer switches (ATS)
  • Generator
    • Shunt trip and auxiliary contact breaker
    • Anti-condensation heater
    • Thermal magnetic or electronic trip MCCBs
    • Oversize and premium generators
    • Excitation: [ ] Permanent Magnet Excited (PM)
    • Anti-condensation heater
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