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: <50mo

7) Mechanical durability: monentary 1000,000, maintained 250,000

8) Electrical durability: 500,000

9) Protection grade: IP65

10) Certificate: CCC, CE