1) Mounting size: 22mm

2) Operational Voltage: under 380AC or 220DC

3) Operational temperation: -25 to +70

4) Operational humidity: 45% to 90%

5) Power-frequency withstand voltage: 2500V AC, 1min

6) Mechanical durability: Momentary 1000,000, maintained 250,000

7) Electrical durability: 500,000

8) Protection grade: IP65

9) Certificate: CCC, CE