Home / Shop / Amazon / RV Gear / Progressive Industries EMS-PT50X Portable RV Surge Protector (50 A) Progressive Industries EMS-PT50X Portable RV Surge Protector (50 A) Surge Protection: 5-Mode / 3,580J / 88,000A. Ratings: 50A / 120V/240V / 12,000W. Operating Temperatures: -40C to +105C Weather Resistant/designed for Outdoor Use Security Locking Bracket Rugged Pull Handle, Tough Lexan Housing, All Weather Shield Assembly Lifetime Warranty (excludes All Weather Shield Assembly). Buy product Categories: Amazon, Electrical, RV Gear Description Description Electrical Management System (EMS) helps to protect your RV against voltage fluctuations, power surges and incorrectly wired shore power which can cause sever and costly damage to RV appliances and electronics. Improved design features include: state-of-the-art microprocessors, all weather shield assembly, rugged pull handle, secure locking bracket, built-in scrolling digital display and a tough Lean housing. Sleek, compact portable design makes unit easy to use and store. Plug-and-play application. Designed for recreational vehicle use only.