Permanent Surge Guard, 120-240V/50A

Complete electrical protection for your RV! Automatically shuts off the power when detecting incorrectly wired pedestal, power surges, low (132V) voltage, reverse polarity, and dangerous current on ground wire. Automatically resets on power restoration. Features caution indicator light to indicate cause of power stoppage. 2 minute 16 second reset delay protects AC compressor. Offers 1750 joules of surge protection. UL Listed.