Гарантированность
12-18 months
Происхождение товара
Zhejiang, China
Working power supply
One-line / two-line A-phase power supply
Operation mode
Self-input and self-recover OR Self-input and self-recover
Frequency measurement range
40Hz~75Hz
Voltage detection function
Lost phase, three-phase voltage over and under voltage
Phase sequence detection function
YES
Frequency detection function
YES
Passive fire input
Connect passive switch or contact outside
Transfer time delay
0-240s
Market
Middle East, south Africa, American
Adjust overvoltage or under-voltage
Under-voltage 100 to 200V; Overvoltage: 200 to 300V