Over Under Voltage Protective Device Adjusting Dual Display Overcurrent Overload Arrester 40A 240V‑300V

Feature: 1. Voltage Display: This overvoltage protection device has overvoltage protection, undervoltage protection and voltage display function (voltage measurement). 2. Manual Adjustment: In order to provide security protection for electrical appliances (not included) or other devices, you can manually adjust the overvoltage, undervoltage, and overcurrent protection values. 3. Multifunction: Our current protection device has reset mode selection, fault inquiry, and restore factory function. 4. Secondary Protection: Our overvoltage protection device can prevent frequent on and off of unstable voltage from causing additional damage to the appliance and achieve secondary protection. 5. Flame Retardant PC: Our overvoltage protection device is made of flame retardant PC material with exquisite craftsmanship, which can achieve long term use. Specification: Item Type: Voltage Protective Device Material: Flame Retardant PC Current: 1 40A Overvoltage Protection Value Range(uvo): 240V 300V Undervoltage Protection Value Range(uve): 140V 210V Shutdown Delay Time: 2s (can be set 1 300s) Self Recovery Protection Delay Time: 30s (can be set 1 300s) Rated Frequency: 50 or 60Hz Error: 2percent Voltage Measurement Accuracy: 1percent Rated Insulation Voltage: 400V Output Contact: 1No Electrical Life: 100000 times Mechanical Life 1000000 times Protection Grade: IP20 Altitude: less than 2000m Working Temperature: 50 celsius 55 celsius Humidity: less than 50percent at 40 celsius (non condensing) Humidity Temperature: 30 celsius 70 celsius . Package List: 1 x Voltage Protective Device