DG400-2 (Three 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.
Product Images
Open generator set
enclosure
Product Videos
Virtual Product Tour (VPT)
Specifications
| Name | Type | Value | Unit Value (Imperial) | Unit Name | Unit Value (Metric) | Unit Name (Metric) |
|---|---|---|---|---|---|---|
| Frequency | text | 60 Hz | ||||
| Natural Gas Rating | text | 400 ekW | ||||
| Emissions/Fuel Strategy | text | U.S. EPA Certified for Non-Emergency Application |
Documents & Spec Sheets
Features & Benefits
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
Complete Specifications
Generator Set Specifications
| Name | Type | Value | Unit Value (Imperial) | Unit Name | Unit Value (Metric) | Unit Name (Metric) |
|---|---|---|---|---|---|---|
| Frequency | text | 60 Hz | ||||
| Natural Gas Rating | text | 400 ekW | ||||
| Emissions/Fuel Strategy | text | U.S. EPA Certified for Non-Emergency Application | ||||
| Engine Model | text | G21.9L spark-ignited | ||||
| Displacement | measurement | 1336.42 | in | 21.9 | l | |
| Fuel Type | text | Natural Gas | ||||
| Fuel System | text | Carburetor, Down Draft | ||||
| RPM | text | 1800 rpm | ||||
| Aspiration | text | Turbocharged - Aftercooled | ||||
| Governor Type | text | Electronic | ||||
| Bore | measurement | 5.03 | in | 21.9 | mm | |
| Stroke | measurement | 5.6 | in | 152.4 | mm | |
| Voltage | text | 120/208, 120/240, 277/480, 346/600 VAC | ||||
| Length | measurement | 154.4 | in | 3923 | mm | |
| Width | measurement | 71 | in | 1803 | mm | |
| Height | measurement | 67 | in | 1702 | mm | |
| Weight | measurement | 8429 | lb | 3823 | kg | |
| Compression Ratio | text | 10.0:1 | ||||
| Compression Ratio | text | 10.0:1 |
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