Air Conditioner Compressor Soft Starter; Used To Reduce The Air Conditioner Start Up Power Demand On The AC Power Source; For Use With All RV Rooftop And Basement Air Conditioners; 2.9 Inch Width x 5.6 Inch Height x 2 Inch Depth Overall Dimension; Up To 3 Watt Power Consumption; 110 Volt AC/ 240 Volt AC 1 Phase Nominal Working Voltage; 135 Volt AC/ 266 Volt AC Maximum Continuous Working Voltage; 18 Amp Maximum Continuous Working Current; 3 Minute Protection Restart Time Interval; 30 Amp/ Minute Over-Current Limit; 120 Amp Maximum Surge Current; 48 Milliamp Current Consumption; 1 + 0.5 Seconds Soft Start-Up Time; Over 45000 Hours Operation Hours; Over 100000 Times Effective Soft Start On/ Off Service; -40 Degree Fahrenheit To 180 Degree Fahrenheit Working Temperature; CE Certified; With Five 3 Foot Long Wire Pigtail/ Instruction Guide/ Complete Accessory Kit: Wiring Connectors/ Zip Ties/ Hardware Fasteners/ Waterproof Enclosure. SoftStartRV is a compact, lightweight cost-effective soft start controller with fireproof housing, and sealed by resin. As a result, it can withstand extreme weather, and survive in harsh environments (such as installation within outdoor rooftop air conditioner units). This makes SoftStartRV a cost-effective RV air conditioner soft start kit solution with high reliability and longevity.