Cummins-onan Cummins 400 amp automatic transfer switch 240v | A050W853

Product details

Technical Overview

#RA400 SE A050W853 The RA Automatic Transfer Switch is integrated with the RS series genset. These products are Listed to UL 1008, the Standard for Transfer Switch Safety. The switch and generator set combination is specifically designed for a simplified, quicker installation. These UL 1008 switches are suitable for standby power systems in residential and light commercial applications. These RA products adhere to National Electrical Code (NEC) and National Fire Protection Association (NFPA) requirements. The RA transfer switch monitors utility power 24 hours a day and 7 days a week. When utility power becomes unsatisfactory or fails; the generator set is signaled to start, then automatically transfers the load. When stable utility voltage returns, the transfer switch will automatically switch electrical load from the generator to the utility. No action is required by the home owner. (For Cummins Connect Series Generators Only) Key features Mechanically Interlocked Contractor Long-life, high pressure, silver alloy contact resist burning and pitting A powerful and economical solenoid drives the mechanism UL 489 Listed Circuit Breaker Solid Bus Bar Connection Between circuit breaker and transfer switch Neutral and Ground Bar Bonding jumper on neutral and ground Silver plated coper ground and neutral bus Ease of Connection Solderless screw type terminals for external power connections Aluminum Enclosure NEMA Type 3R rated Specification Current Rating: 400 Amp Voltage Rating: 240 VAC Number of Poles: 2 Enclosure Type: NEMA 3R Enclosure Rating: NEMA 3R (Suitable for outdoor use, provides protection against rain, sleet, and ice) Service Entrance Rated: Approved for use as a service entrance device, meeting applicable safety and regulatory standards. Compatibility: