Progressive Industries EMSPT50C Surge Protector
A weather resistant (can be exposed to elements, but may not be submerged) portable surge protector with included locking bracket. This product features five(5) mode surge protection as well as previous error code storage that indicates when the unit needs replaced. The 50 Amp Electrical Management System provides protection against: voltage, reverse polarity, open neutral, open ground, AC frequency protection and accidental 220v protection. EMS shuts down power if AC source drops below 104V or rises above 132V, and automatically restores power to RV after a timed delay to protect your A/C Compressor. The EMS 50 Amp portable unit also has an integrated information panel that Scrolls through all of the power source information: voltage, current, frequency, error codes, and previous errors. Each reading is displayed for 2 seconds.