Description
The Cummins RA200 SE (model RA212S3) is a 200-amp, 2-pole, single-phase (120/240V) service entrance rated automatic transfer switch designed for integration with Cummins RS series and RX series Connect Series generators. UL 1008 listed and housed in an aluminum NEMA 3R enclosure rated for both indoor and outdoor installation, this switch is suitable for residential and light commercial standby power systems. It monitors your utility power 24/7 — when it detects an outage or unsatisfactory voltage, it signals your generator to start and automatically transfers the electrical load. When stable utility power returns, it switches back without any homeowner intervention. The service entrance (SE) rating includes a UL 489 listed circuit breaker, and the unit features a break-before-make transfer mechanism with electrical and mechanical interlocks to ensure utility and generator power are never connected simultaneously. Compliant with NEC, NFPA, and NEMA ICS 10 requirements.


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