The Generac MPSG 400 compressor is listed with standby output of 400 kW, Natural Gas fuel, 60 Hz operation, 120/208 V, 277/480 V output, and rated current of 601 A.
Generac Generator Specifications
Generator • Natural Gas • 60 Hz
Standby power: 400 kWVoltage: 120/208 V, 277/480 VRated current: 601 A
Key specifications
400 kWStandby power
Natural GasFuel
120/208 V, 277/480 VVoltage
601 ARated current
60 HzFrequency
Visual model specs
Built only from this model’s supplied generator specifications.
Model spec snapshot
Representative numeric specifications from this generator.
400 kWStandby
601 ACurrent
How the Generac MPSG 400 compares
This compares the supplied numeric specification with Generac generators in the same broad standby-power class where enough comparable data exists.
Standby power
400 kW
33% below avg
7th percentile
Rated current
601 A
56% below avg
4th percentile
Standby power400 kW
Low 400 kWAverage 595.9 kWHigh 900 kW
About 33% below the similar-output Generac average. Around the 7th percentile for this field.
Rated current601 A
Low 601 AAverage 1,360 AHigh 2,738 A
About 56% below the similar-output Generac average. Around the 4th percentile for this field.
This model Peer average
Generator information
| Manufacturer | Generac |
|---|---|
| Model | MPSG 400 |
| Generator type | Generator |
| Fuel | Natural Gas |
| Frequency | 60 Hz |
Electrical output
| Standby power | 400 kW |
|---|---|
| Standby kVA | 500.0 |
| Voltage options | 120/208 V, 277/480 V |
| Rated current | 601 A |
| Power factor | 1 |
Engine, cooling and controls
| Coolant capacity | 7.7 gal (29.1 L) |
|---|---|
| Maximum ambient | 120 °F (49 °C) |
| Controller | Power Manager Generator (PM-GC), PowerManager Digital Platform (PM-DCP) |
| Alternator | Generac 200 kW 520 mm PMG Generac Alternators |
Disclaimer: Specifications should be verified against the official owner’s manual and confirmed on the Generac USA website.