Features 1、[Protect Electrical Equipment] Over under voltage protector can detect voltage changes in the power grid in a timely manner, provide timely protection for electrical equipment when the voltage is too high or too low, preventing damage or failure caused by voltage fluctuations. 2、[Energy Saving] Monitor the reasonable range of voltage and automatically cut off the power supply when the voltage exceeds the range, avoiding excessive energy loss during internal operation of electrical appliances. 3、[Improve Work Efficiency] Effectively protect electrical equipment to prevent equipment shutdown or malfunction due to high or low voltage, thereby improving work efficiency and extending service life. 4、[Easy to Use] Adopting advanced electronic technology and intelligent control system, the operation is simple and convenient, users only need to make simple settings to achieve protection functions. 5、[Safe and Reliable] The over under voltage protection device has multiple protection functions, such as overcurrent protection, overload protection, short circuit protection, which can ensure the safety of equipment and personnel. Specification Item Type: Under Over Voltage Protector Material: Flame Retardant PC Overvoltage Detection Value: 230-300V Adjustable, Factory Setting 270V Undervoltage Protection Value: 120-210V Adjustable, Factory Setting 170V Protection Recovery Delay: 1-600s Adjustable, Factory Setting 30s Overcurrent Protection Value: 1-63A Adjustable, Factory Setting 63A Unbalance Recovery Value: ON OFF Adjustable, Factory Setting ON Package List 1 x Under Over Voltage Protector