Cummins RA150SE 150A Service Entrance Rated Automatic Transfer Switch — NEMA 3R Aluminum Outdoor 150A service entrance rated automatic transfer switch integrated with the Cummins RS series generator. UL 1008 listed with UL 489 listed circuit breaker. NEMA 3R aluminum enclosure rated for outdoor installation. Designed specifically for simplified, faster installation as a matched switch and generator set combination. Suitable for residential and light commercial standby power. Compliant with NEC and NFPA requirements. Features & Benefits Service Entrance Rated Listed for installation at the service entrance. Incorporates a UL 489 listed circuit breaker. No separate main disconnect required upstream — reduces equipment count and simplifies the overall installation. NEMA 3R Aluminum Enclosure Aluminum construction rated for outdoor installation. Protects internal components against rain, sleet, and external ice formation. Suitable for exterior wall mounting where an indoor enclosure is not an option. Fully Automatic Operation Monitors utility power continuously. On utility failure, signals the generator to start and transfers the load automatically. Returns load to utility when stable voltage is restored. No homeowner action required. Solenoid-Driven Mechanism Economical, high-reliability solenoid actuation. Long-life silver alloy contacts under high closing pressure resist burning and pitting over thousands of operations. Solid Bus Bar Connection Direct solid bus bar connection between the circuit breaker and transfer switch — eliminating loose wiring connections at the most critical point in the assembly. Fully Rated Neutral and Ground Bar Silver-plated neutral and ground bus with bonding jumper. Rated for full current — no derating required. Simplified Installation Solderless screw-type terminals for all external power connections. Matched specifically to the RS series generator for faster, straightforward installation. Specifications Amperage 150A Voltage 240V Single-Phase Service Rating Service Entrance Rated Enclosure NEMA 3R Aluminum Outdoor Listing UL 1008 / UL 489 Generator Compatibility Cummins RS Series Code Compliance NEC / NFPA Bus Connection Solid bar between breaker and switch Neutral/Ground Bus Silver-plated, fully rated with bonding jumper Monitoring Continuous 24/7 utility power monitoring Application Residential / Light Commercial
