Generac 100 Amp Next Gen Automatic Generator Transfer Switch, SE Rated, SPD | Integrated Surge Protection Device, Service Entrance Rated, NEMA 3R Outdoor Enclosure, Fuse Control Board Generation

AUTOMATIC POWER TRANSFER. Continuously monitors utility voltage and instantly transfers your entire home to standby generator power during an outage, then returns to utility automatically — no manual steps required

DESIGNED FOR GENERAC STANDBY GENERATORS. Compatible with single-phase Generac Home Standby generators using Evolution or Power Zone 200 controllers, providing whole-home 120/240V backup coverage for circuits including well pumps and dryers

WHOLE-HOME SURGE PROTECTION BUILT IN. Factory-installed Type 1/Type 2 SPD rated at 50 kA per phase defends appliances and sensitive electronics from transient voltage spikes and utility surges — no separate surge device needed

SERVICE ENTRANCE RATED WITH OPEN-TRANSITION DESIGN: Rated for 100A at 120/240V single phase, the open-transition mechanism fully disconnects utility power before connecting the generator, physically preventing dangerous backfeed into the grid

ALL-WEATHER NEMA 3R ALUMINUM ENCLOSURE. Corrosion-resistant aluminum housing with electrostatically applied baked powder paint withstands rain, snow, ice, and debris, giving you flexible indoor or outdoor installation options