1、[Auto Power Cut Off] The voltage protector automatically cuts off power when overloaded, supplies power within specified power range to prevent over voltage and under voltage risks. 2、[Rapid Response] This single phase voltage protector adopts sensitive internal components, with quick response time, ensuring safety and reliability. 3、[Auto Reset Function] The over under voltage protective device features auto reset function, preventing prolonged power outages, ensuring longevity of use. 4、[DIN Rail Installation] The under voltage automatic reset switch uses standard DIN rail installation, ensuring a stable and secure fit once mounted. 5、[Real Time Voltage Display] With a digital display, this voltage protective device provides real time readings of working voltage, allowing for easy monitoring. Item Type: Self Recovery Voltage Protector Material: Flame Retardant PC Model: SVP-901 Working Voltage Range: AC 80V-400V Overvoltage (>U) Setting Range: 230-300V Overvoltage (<U) setting range: 210-140V Error: ±2% >U and <U Trip Delay: 0.5S Reset Start Delay: 1-30S Rated Insulation Voltage: 400V Output Contactor: 1 NO Electrical Lifespan: 100,000 Cycles Mechanical Lifespan: 1,000,000 Cycles IP Rating: IP20 Pollution Level: 3 Altitude: ≤2000m Working Temperature: -50℃ to 55℃ Humidity: 50% at 40℃ Storage Temperature: -30℃ to 70℃ 1 x Self Recovery Voltage Protector 1 x Instruction Manual