Progressive Industries EMS-PT50X RV Surge Protector ensures safety and reliability. This 50 Amp surge protector for RV helps to protect against voltage fluctuations and electrical power surges which can cause severe damage to RV appliances and electronics. This 50 Amp RV surge protector identifies faulty power and stabilizes electricity on your RV. Our 50 Amp EMS RV surge protector power strip features 3,580 joules of protection with a max current spike rating of 88,000 Amps. Operating Temperatures: -40C to +105C. This Progressive Industries 50 Amp EMS RV surge guard offers over/under voltage protection, open ground, open neutral, reverse polarity detection and protection, has a surge failure indicator, and A/C frequency protection. Designed to withstand harsh conditions, this surge protector RV features a rugged pull handle, locking bracket, tough Lexan housing, and display screen for error indication and electrical monitoring. This 50 Amp RV surge protector’s simple plug-and-play design is sleek and compact design making the unit easy to use and store. Progressive Industries engineers and manufactures a range of high-quality electrical solutions designed for harsh environments. Every product meets exacting performance specifications and is designed to withstand extreme conditions. Purchase with confidence with our lifetime warranty. (*lifetime warranty does not include weatherproof shield assembly).