1、SAFE FLAME RETARDANT: PC flame retardant material, with overvoltage protection, undervoltage protection and voltage display(voltage measurement), more safe and reliable to use 2、INTELLIGENT ADJUSTMENT: To provide safe protection for electrical appliances, manual adjustment of overvoltage, undervoltage, overcurrent protection value 3、EFFECTIVE PROTECTION: Can prevent unstable voltage frequent on and off to cause additional damage to electrical appliances, to achieve secondary protection 4、DELAYED POWER ON FUNCTION: The power supply will be restored automatically after 1‑500S after the voltage is stabilized, which can protect your appliances well 5、MULTIPLE FUNCTIONS: The current protector has the functions of reset mode selection, fault query and factory recovery Item Type: Over Under Voltage Protector Material: PC Rated Frequency: 50/60Hz Overvoltage (> U) Setting Range: 230-300V Undervoltage (< U) Setting Range: 210-140V > U And < U Trip Delay: 0.1~30S Reset or Startup Delay: 1-500S Output Contact: 1NO Electrical Life: 100000 Mechanical Life: 1000000 Protection Level: IP20 Pollution Level: 3 Altitude: ≤2000m Operating Temperature: -50℃-55℃ Humidity: ≤50% at 40℃(no condensation) Storage Temperature: -30℃-70℃ Product Features: 1. Overvoltage protection 2. Undervoltage protection 4. The overvoltage protection value is adjustable 5. The overpressure recovery value is adjustable 6. The operation time of overvoltage protection is adjustable 7. The undervoltage protection value is adjustable 8. The undervoltage recovery value is adjustable 9. The operation time of undervoltage protection is adjustable 10. The fault recovery delay time is adjustable 11. The power on delay time is adjustable 12. Reset mode selection 13. Query faults 14. Restore factory Settings 1 x Over Under Voltage Protector 1 x User Manual