Feature:1. Surge Protection: Absorbs high voltage spikes up to 4100 joules and protects RV electrical equipment from dangerous high and low voltages, electrical disturbances and sudden power surges caused by thunderstorms.2. Fault Indication: RV circuit analyzer provides fault indication for the following wiring faults, correct wiring, open ground, open neutral, L1 open, L2 open, L1 neutral reverse, L2 neutral reverse, L1 ground reverse, L2 ground reverse, open or no power.3. High Security: The 50 Amp RV surge protector is UL tested and made of flame retardant materials for extra safety to use. Designed for outdoor use, the 50 Amp surge protector is weather resistant and heat insulated.4. Easy to Use: The plug is designed with an ergonomic power handle for safe and easy plugging and unplugging, and features a right angle male connector for a reliable low damage and low bend interface.5. Strict Standard: The surge protection is up to 4100J, rating is 50A 125V 250V, 50Hz, plug type is 50 Amp Male (NEMA 1450P), 50 Amp Female (NEMA 1410R), working temperature is 35 + 110 .Specification:Item Type: RV Surge ProtectorMaterial: ABS + MetalWorking Temperature: -35 Degrees Celsius - + 110 Degrees CelsiusRating: 50A 125V 250V 6250W 50 HzUS Standard Plug: 125V Surge Protection: 4100JPlug Type: 50 Amp Male (NEMA 14-50P), 50 Amp Female (NEMA 14-10R)Applicable Models: RV, Camper.Package List:1 xRV Surge Protector