DG 450 (Compact) Gas Generator Sets

DG450 Compact (3-Phase) Gas Generator Sets

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Key Specs

Frequency
60 Hz
60 Hz
Natural Gas Rating
Max. 450 ekW
Max. 450 ekW
Emissions/Fuel Strategy
U.S. EPA Certified for Stationary Non-Emergency Applications
U.S. EPA Certified for Stationary Non-Emergency Applications

Overview

450 ekW Gas Generator Set

The Cat® spark-ignited rich burn gas generator set can be used for emergency standby, prime, demand response and limited time power (LTP) applications. It also offers a reliable power with superior fuel efficiency, lower footprint and cleaner exhausts with ultra-low-NOx capability. With dual fuel kit option, automatic transition to propane from natural gas delivers uninterrupted operation. This also comes with an optional paralleling configuration up to 4 units in conjunction with a switchgear built on a Distributed Energy Resources (DERs) technology platform. The DERs technology continuously monitors, analyses and controls multiple energy sources.

Benefits

Reduced Footprint

System designed to improve installation time and total cost for installer and customer

EPA Certified Ultra Low-Nox

Complies with East Texas permitting standards

Alternator Features Class H Insulation

Highest classification ensures alternator durability

Features At A Glance

Displaying 1-6 of 7

Emissions Strategy

Emissions Strategy

        
  • U.S. EPA Certified for Stationary Non-Emergency Applications.
    •     
  • Complies with East Texas permitting standards.
    •     
  • NFPA110 and UL2200 listed.
21.9L Gas Engine

21.9L Gas Engine

        
  • Robust high speed block design provides prolonged life and lower operationg costs
        
  • Leading edge technology in ignition system and air/fuel ratio control for lower emission and engine efficiency
        
  • One electronic control module handles all engine functions: Ignition, governing, air/fuel ratio control and engine protection
Generator

Generator

  • Class H Insulation. Highest classification ensures alternator durability
    • Matched to the performance and output characteristics of Cat gas engines
    • Industry leading mechanical and electrical design
    • Industry leading motor starting capabilities
    • High Efficiency
GCCP 1.5 Control Panel

GCCP 1.5 Control Panel

        
  • Easy to use Synchronizing Auto Start Control Module
    •     
  • Designed for multi-generator load-sharing and synchronization
    •     
  • Extensive monitoring, metering and protection features
    •     
  • Comprehensive communication and system expansion options
Cooling System

Cooling System

        
  • Designed to operate in standard ambient temperatures up to 43 °C (110 °F)
        
  • Contact your Cat Dealer for specific ambient and altitude capabilities
Load Sharing

Load Sharing

        
  • Factory designed and tested
        
  • Up to 4 genset paralleling option
        
  • Switchgear (optional) equipped with Cat® grid communication hardware for load management with asset monitoring
Specifications Standard Equipment Optional Equipment

Product Specifications for DG450 Compact (3-Phase)

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Frequency 60 Hz 60 Hz
Natural Gas Rating Max. 450 ekW Max. 450 ekW
Emissions/Fuel Strategy U.S. EPA Certified for Stationary Non-Emergency Applications U.S. EPA Certified for Stationary Non-Emergency Applications
RPM 1800 1800
Fuel Type Natural Gas / Propane Natural Gas / Propane
Voltage 480 VAC 480 VAC
Engine Model Cat® 21.9L 4 Cycle V12 TCAC Rich Burn Gas Cat® 21.9L 4 Cycle V12 TCAC Rich Burn Gas
Fuel System Gas mixer, Venturi Gas mixer, Venturi
Aspiration Turbocharged - Air-to-Air Aftercooled Turbocharged - Air-to-Air Aftercooled
Governor Type Electronic Electronic
Displacement 1336.42 in³ 21.9 l
Compression Ratio 10.2:1 10.2:1
Bore 5.03 in 128 mm
Stroke 5.59 in 142 mm
Length 119 in 3020 mm
Width 99 in 2510 mm
Height 120 in 3050 mm

DG450 Compact (3-Phase) Standard Equipment

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Exhaust

  • Dual stack dry exhaust manifolds, insulated and shielded

Fuel System

  • Gas train with Zero Pressure regulator
  • ECU controlled shutdown solenoid
  • Airfuel Ratio Control, Venturi type Air-Gas mixer, throttle controlled valve

Controls

  • GCCP 1.5
  • Automatic Voltage Regulator (AVR)

Generator

  • Class H Insulation
  • PMG Excitation

Governing

  • Electronic Governing

Starting/Charging

  • 12V starting motors

General

  • Paint - Caterpillar EPD white except rails are gloss black
  • Operation and maintenance manuals
  • Parts book

DG450 Compact (3-Phase) Optional Equipment

Print

Telematics

  • Dual-mode 4G and SATCOM Remote Monitoring

Fuel System

  • Dual fuel kit - Propane

Switchgear

  • Genset Paralleling up to 4 units
  • Cat Grid Communication Hardware for multiple assets monitoring, load management and monetization of Distributed Energy Resources (DERs).

Product Brochures and More Are Ready to Download!

See how DG450 Compact (3-Phase) compares against frequently compared products.

Electric Power
Selected
DG450 Compact (3-Phase)
DG450 Compact (3-Phase)
Frequency
60 Hz
60 Hz
Natural Gas Rating
Max. 450 ekW
Max. 450 ekW
Emissions/Fuel Strategy
U.S. EPA Certified for Stationary Non-Emergency Applications
U.S. EPA Certified for Stationary Non-Emergency Applications
Electric Power
DG450 (3-Phase)
DG450 (3-Phase)
Frequency
60 Hz
60 Hz
Natural Gas Rating
450 ekW
450 ekW
Emissions/Fuel Strategy
U.S. EPA Certified for Stationary Emergency Application and Non-Emergency Applications
U.S. EPA Certified for Stationary Emergency Application and Non-Emergency Applications
View Details
Electric Power
DG500 (3-Phase)
DG500 (3-Phase)
Frequency
60 Hz
60 Hz
Natural Gas Rating
500 ekW
500 ekW
Emissions/Fuel Strategy
U.S. EPA Certified for Stationary Emergency and Non-Emergency Application
U.S. EPA Certified for Stationary Emergency and Non-Emergency Application
View Details

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