1) Mounting size: 22mm
2) Operational Voltage: ≤380AC or ≤220DC
3) Operational temperation: -5 to +55
4)Operational humidity: 45% to 90%
5) power-frequency withstand voltage: 2500V AC, 1min
6) contact resistance: ≤50mΩ
7) Mechanical durability: Monentary 1000, 000, maintained 250, 000
8) Electrical durability: 500, 000
9) Protection grade: IP65
10) Certificate: CCC, CE