Voltage Protector Self Resetting Smart Over Under Voltage Protective Device with Power Display AC230V

Circuit Guard: This protector provides overvoltage guard, undervoltage guard, and voltage display (voltage measurement), supports manual adjustment of overvoltage, undervoltage, and overcurrent guard values. Main Purpose: Can prevent the frequent on off of unstable voltage from causing additional damage to electrical devices. With delayed power on function, after the voltage stabilizes for 1‑500s, it automatically restores power supply. Clear Display: This smart protective device provides voltage, current, and KWH displays, ensuring clear and intuitive readings, greatly improving operational convenience and work efficiency. Item Type: Voltage Protector Material: PC Rated Supply Voltage: AC230V Operating Voltage Range: AC140V-300V (single phase) Rated Frequency: 50Celsius60HZ Overvoltage (>U) Setting Range: 230-300V Undervoltage (Kwh Display Range: 0- 9 >U and Reset Start Delay: 1-600S Voltage Measurement Accuracy: 1% (not more than 1% of the total range) Rated Insulation Voltage: 300V Output Contact: 1NO Electrical Life: 10⁵ Mechanical Life: 10⁶ IP : IP20 Pollution : 3 Altitude: less than 2000m Operating Temperature: -50 celsius -55 celsius Humidity: less than 50% at 40 celsius (non condensing) Storage Temperature: -30 celsius -70 celsius