30 Amp RV Surge Protector — 4100 Joules Voltage Protector & Circuit Analyzer Power Guard with Waterproof Cover, Anti-Theft Lock, ETL Certified

Protect your RV’s electrical system with this 30 AMP surge protector and power guard. Delivering 4100 joules of surge suppression and using 391k varistors for increased sensitivity, it helps defend appliances from dangerous high/low voltages, electrical interference, and sudden storm-related spikes. The unit identifies fault shutdown circuitry so you can spot problematic conditions before they cause damage. Built-in circuit analysis lets you verify correct wiring and catch most wiring faults prior to plugging in your RV. The ergonomic plug design makes insertion and removal simple, while the optimized waterproof cover fits plugs of all sizes and shields the internal circuitry from rain, wind, and sand storms. Security and durability are prioritized: nickel-plated brass sheets increase current loading capacity for safer charging, and an anti-theft lock helps secure the connection. The adapter housing is molded from pure PC material and tolerates high temperatures up to 1382 ℉. ETL Certified for added peace of mind.