Cummins RA400 NSE ATS 400A Single-Phase 240V
The Cummins RA400 NSE ATS 400A is a high-capacity Automatic Transfer Switch (ATS) rated at 400 Amps, designed for whole-house backup in large residential properties and commercial applications utilizing Single-Phase, 240V power. This RA400 NSE ATS automatically and seamlessly transfers the electrical load between the utility source and the standby generator upon detecting a power failure. The Cummins RA400 NSE ATS 400A is a critical, durable component for integrating a powerful generator, ensuring safe, reliable, and continuous single-phase power protection.
Description
This Cummins Commercial Standby Generator protects your business from costly power outages with quiet, reliable performance. It offers dual fuel flexibility, exceptional durability and key convenience features, including PowerCommand electronic control for industry-leading self-diagnostic capabilities. Service and maintenance is easy, too, thanks to hinged doors.
What’s Included
- (1) Commercial standby generator
Product Manual A Product Manual B
| Item# | 88779 |
| Brand | Cummins Power |
| Manufacturer’s Warranty | 2 year commercial limited |
| Ship Weight | 2830.0 lbs |
| Rated Watts (kW) | 100 |
| Volts | 120/208 |
| Amps | 347 |
| Fuel Type | LP or natural gas |
| Engine | Cummins QSJ5.9 |
| Engine Displacement | 5.9L |
| Rated Watts LP (kW) | 100 |
| Rated Watts NG (kW) | 100 |
| Noise Level (dB) | 71 |
| Enclosure | Aluminum Sound Level 1 |
| Start Type | Automatic or manual |
| Battery Required | Yes |
| Battery Included | No |
| Transfer Switch | Not included |
| Auto Shutdown | Yes |
| UL Listed | UL 2200 |
| Engine Cooling | Coolant |
| Product Weight | 2,830 lb |
| Dimensions L x W x H (in.) | 119 x 40 x 58 in |







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