Feature:- - for durability-Over current protection, voltage protection, voltage protection can shut down one, two or three of them.-Voltage, you can mention 0.5% about them-Self-consumption lt; 0.5w-Provides manual and automatic reconnection.-Can set the on-off time-Can be used as a normal switch-Can be used as a cycle switch. Note: This product does not have batteries. If the external power supply fails, the cycle time starts from 0.-Optional backlight mode, convenient for user scene selection-Erroneous load identification threshold (pure resistive load), suitable for high-power resistive appliances, such as limited speeds electromagnetic heating kettles and residential rice cookers. Product Parameters:-Power Supply: 230VAC 50/60Hz-Maximum Load Power: 40A, 60A (Optional)-Surge Protection Value Range: 230V - 300 - OFF (Default: 270V)--Surge Recovery Voltage Range: 225V-29V (Default: 250V)-Surge Protection Operation Time: 0.1s - 30s (Default Value: 0.5S)--Surge Recovery Delay Time: 1s - 500s (Default: 30s)--Voltage Protection Value Range: 140V-210V-off (Default: 170V)-Voltage Range Voltage Recovery: 145V-215v (Default: 190V)-Under-Voltage Protection Operation Time: 0.1s - 30s (Default: 0.5S)-Under-Voltage Recovery Delay Time R: 1s - 500s (Default: 30s)-Start-Up Delay Time: 1s - 500s (Default: 10s)-Power Consumption: lt; 2W-Motor Life: 100,000 Times-Mounting: 35mm DIN Rail-Quantity: 1pc-Color: WhitePackage Included:1*Surge & Undervoltage Protection (Optional)Notes:1. Due to various factors such as display brightness and light brightness, the actual color of the product may be slightly different from the picture on website.2. Please allow slight deviation between the data and manual measurement.