Progressive Industries EMS-PT30X Portable RV Surge Protector | 30 Amp, 3,600W, 1,790 Joules

Plug this in ahead of your shore power cord and it keeps watch over every amp flowing into your RV. Beyond basic surge suppression, it runs a continuous electrical management check on the pedestal so it can cut power the instant it sees a wiring fault, not just a spike.

• Rated for 30A, 120V, 3,600W systems
• Absorbs surges up to 1,790 joules
• Catches over/under voltage, open ground or neutral, reverse polarity, miswired pedestals, accidental 240V, and AC frequency faults
• Weatherproof Lexan housing with a lit display for status and error codes
• Includes a locking bracket and rugged pull handle
• Made in the USA

Because it's portable rather than hardwired, you can move it between rigs or leave it plugged into the pedestal while your RV's shore cord connects to it.