Feature:1. SAFE MATERIAL: Using PC flame retardant material, possess overvoltage protection, undervoltage protection and voltage display(voltage measurement), safer and more reliable to use2. FREE REGULATION: Providing safe protection for electrical appliances, manually adjust over voltage, under voltage, over current protection values3. PREVENT DAMAGE: Can prevent the frequent on and off of unstable voltage from causing additional damage to electrical appliances, so as to achieve secondary protection4. MULTIPLE FUNCTIONS: The current protector has the functions of reset mode selection, fault inquiry, and factory reset5. CLEAR DISPLAY: Over under voltage protector come with double display, make the data clear at a glance, support din rail installationSpecification:Item Type: Over Under Voltage ProtectorMaterial: PC flame retardantCurrent: 63AOvervoltage Protection (uvo): 240V to 300VUndervoltage Protection (uve): 140V to 210VShutdown Delay Time: 2s (can be set 1-300s)Self Reset Protection Delay: 30s (1-300s)Rated Frequency: 50/60HzError: 2%Output Contact: 1NOElectrical Life: 100000 TimesMechanical Life: 1 Million timesProtection Level: IP20Height: 2000meter or lessOperating Temperature: -50-55Humidity: 50% at 40 (no condensation)Humidity Temperature: -30 to 70.Package List:1 x Over Under Voltage Protector