Protects RV from faulty park power;Built-in intelligence, 128 second reset delay protects A/C compressor, 2450 Joules of power surge protection;Automatic reset on power restoration, Convenient plug disconnect handles, Weather resistant;Shuts off power when the following is present; open Ground, open neutral, low (132V) voltage;LCD display, convenient plug disconnect handles

• Technology Research 34830 30 Amp Portable Surge Guard

Technology Research 34830 30 Amp Portable Surge GuardTechnology Research