ELECTRONIC SAFETY MAINTAINED: Ensure the safety of your Progressive Industries surge protector electronics with the 50 Amp RV surge protector by Progressive Industries. Its RV electric surge protector management system shields appliances from voltage fluctuations and surges, providing peace of mind during your travels. COST-EFFECTIVE RV SURGE PROTECTOR: Rated at 50A/120-240V/12,000W, the EMS-PT50X can absorb surges up to 3,580 joules., safeguarding your RV accessories from costly damage. ROBUST FAULT DETECTION DEVICE: Equipped with advanced fault detection capabilities, including over/under voltage, reverse polarity, and surge failure. Trust in its comprehensive protection for your RV's electrical system. DESIGNED FOR RV OUTDOOR SURGE PROTECTOR USE: Built to withstand the RV outdoor surge protector environments, this heavy-duty surge protector features an All Weather Shield assembly, thermal protection, and durable Lexan housing.