Surgegard Surge Protector 50 ampThe new 50 Ampere Surge Guard portable with LCD display offers more than twice the Joules of power surge protection than the previous model. Continuously monitors for voltage and Ampere draw and reverse polarity (miswired pedestal, elevated ground voltage). Compact and easy to use, they plug in between the power pedestal and the line cord to provide protection. Designed for all travel trailers, 5th wheels and motorhomes with 50 Ampere service.Surge Guard's 120-240V 50amp portable surge protector automatically shuts off power when excessive voltage, Low (<102V) and High (>132V), or open neutral is present. Automatic reset on power restoration. LCD display continuously monitors and displays voltge and amp draw on all legs (30A - One Leg / 50A Legs One and Two). LCD display will also show faults (when occurred) for open neutral, miswired pedestal, reverse polarity and elevated ground voltage. 2 min. 15 sec. reset delay protects A/C compressor. Convenient plug handles. Weather resistant. Available in 30 or 50 AMP.Features:Protects RV From Faulty Park PowerBuilt-In IntelligenceAutomatic Reset On Power RestorationMulti-Mode Surge Suppression128 Second Reset Delay Protects A/C CompressorConvenient Plug Disconnect HandlesContinuously Monitors Voltage And Ampere Draw, Reverse Polarity3850 Joules Of Power Surge ProtectionThe Green LED Indicates Power To RV When IlluminatedAutomatically Reconnects: YesWeight: 2.0000Voltage Regulation: 120 VoltAmpere Rating: 50 AmpUsed To: Plug Between The Power Pedestal And The Line Cord To Provide ProtectionWith Fault Indicator: YesWith Plug Head Handle: Yes Brand TRC Item Weight 1 pounds Product Dimensions 12 x 8 x 8 inches Item model number 34750-001-LCD Manufacturer Part Number 34750-001-LCD