Features Flame Retardant Material: Made with PC flame retardant material, providing overvoltage defence, undervoltage defence, and voltage display for safer usage and increased reliability. Customizable defence: Manually adjust overvoltage, undervoltage, and overcurrent defence values to ensure safe defence for electrical appliances. Damage Prevention: Prevents additional damage to electrical appliances caused by unstable voltage fluctuations, offering secondary defence. Multi-functionality: Features reset mode selection, fault inquiry, and factory reset for added convenience and control. Clear Double Display: Equipped with a double display for clear and easy-to-read data, supports din rail installation for flexible placement. Features: 1、SAFE MATERIAL: Using PC flame retardant material, possess overvoltage defence, undervoltage defence and voltage display(voltage measurement), safer and more reliable to use 2、liberate REGULATION: Providing safe defence for electrical appliances, manually adjust over voltage, under voltage, over current defence values 3、PREVENT DAMAGE: Can prevent the frequent on and off of unstable voltage from causing additional damage to electrical appliances, so as to achieve secondary defence 4、MULTIPLE FUNCTIONS: The current protector has the functions of reset mode selection, fault inquiry, and factory reset 5、CLEAR DISPLAY: Over under voltage protector come with double display, make the data clear at a glance, support din rail installation Specification: Item Type: Over Under Voltage Protector Material: PC flame retardant Current: 63A Overvoltage defence (uvo): 240V to 300V Undervoltage defence (uve): 140V to 210V Shutdown Delay Time: 2s (can be set 1-300s) Self Reset defence Delay: 30s (1-300s) Rated Frequency: 50/60Hz Error: 2% Voltage Measurement Accuracy: 1% Rated Insulation Voltage: 400V Output touch: 1NO Electrical Life: 100000 Times Mechanical Life: 1 Million times defence Level: IP20 Height: 2000meter or less Operating Temperature: -50℃-55℃ Humidity: ≤50% at 40℃ (no condensation) Humidity Temperature: -30℃ to 70℃ Package List: 1 x Over Under Voltage Protector Package List 1 x Over Under Voltage Protector