Item Type: Over Under Voltage Protector <br>Material: PC flame retardant <br>Current: 1-63A <br>Over Voltage Protection Value Range (uvo): 240-300V <br>Under Voltage Protection Value Range (uve): 140-210V <br>Shutdown Delay Time: 2s (1-300s can be set) <br>Self Recovery Protection Delay Time: 30s (1-300s can be set) <br>Rated Frequency: 50/60Hz <br>Error: 2% <br>Voltage Measurement Accuracy: 1% <br>Rated Insulation Voltage: 400V <br>Output Contact: 1No <br>Electric Life: 100000 times <br>Mechanical Life: 1000000 times <br>Protection Grade: IP20 <br>Altitude: ≤2000m <br>Operating Temperature -50℃ to 55℃ <br>Humidity: ≤50% at 40℃ (non condensing) <br>Humidity Temperature: -30℃ to 70℃<br>1、Appliances Protection: This device could prevent your electrical appliances from additional damage due to frequent switching on and off by unstable voltage, achieving secondary protection. <br>2、High Safety: Built in overvoltage protection and undervoltage protection, this voltage protective device is safer and more reliable to use. <br>3、Value Adjustable: The overvoltage, undervoltage and overcurrent protection values can be manually adjusted according to your needs. <br>4、Voltage Display: The protective device is equipped with a clear screen, so you can see the voltage value clearly and intuitively, and adjust it, more convenient. <br>5、Multi Functions: This voltage protective device has the functions of reset mode selection, fault query, and factory reset.1 x <br> <br>Over&nbsp;Under&nbsp;Voltage&nbsp;Protector