50 amp RV surge protector -RV Electrical Protection: Protects your camper, trailer or motor home from dangerous high (>132 VAC) and low (<102 VAC) voltage levels as well as power surges. Auto Connect/Disconnect & Diagnostic Leds: Automatically disconnects from dangerous conditions & reconnects after normal operating conditions are restored. Diagnostic LEDs indicate faults when you connect your electrical cord to the power pedestal. Protects Against Wiring Issues: Protects against faults for reverse polarity, open neutral, and other wiring issues. Camper Surge Protector: This surge protector for RVs provides integrated surge protection up to 4,200 Joules. 50-Amp: 50-amp male (NEMA 14-50P)/50-amp female (NEMA 14-50R). Weatherproof & Simple To Use: Product withstands adverse weather conditions when installed in the upright position. Power Grip handles provide contoured grips for easier plugging and unplugging.