Whole-Home Surge Protection Device

The Surge Protection Device shields motor-driven appliances in residential and light commercial applications against electrical power surge damage, including lightning, from entering through the main electrical service panel. Multiple MOV technology with thermal disconnects to prevent catastrophic failure. The two LED lights indicate protection status. The audible alarm alerts you when protection is disrupted.Its Internal diagnostics keep you informed. Rated for single phase panels up to 400 amps. It comes with a 10 year manufacturer's warranty. UL listed.