40A/63A High Quality Dual Display Adjustable Intelligent Over Voltage And Under Voltage Current Protective Relay Device. 

Product parameters

1 Rated voltage: 220VAC 50Hz.

2 Rated current: 1A-40A adjustable (default 40A)

3 Over voltage action cut-off value: 240V-300VAC can be set (default 270VAC)
4 Under voltage action cut-off value: 140V-200VAC can be set (default 1 70VAC)

5 Over current action cut-off value: 40A: 1 A-40A can be set (default 40A)
6 Transmission delay time after power-on and power-off: 5-300S adjustable (default 5S)
7 Boot delay time: 1-300S adjustable (default 5S)
8 Reset delay time after over current protection: 30-300s adjustable (default 30s)
9 Product over current delay time 6s (over current time greater than this time will be confirmed as over current and provide
protection)
10 Own power consumption: less than or equal to 2W
11 Electrical machinery life: greater than or equal to 100,000 times
12 Exterior dimension:82mmx35mmx65mm.