1. Power supply: 380V, 50Hz, three-phase four-wire system.
2. Working environment:
(1) Ambient temperature -20~+40° (-30~60° for DKX-GB).
(2) Relative humidity: not more than 80% (not more than 90% for DKX-GB) (at 20+5°).(3) The surrounding environment does not contain highly corrosive, flammable and explosive media. (The surrounding environment of DKZ-GB contains explosive media, and the explosion-proof mark is dII BT4).(4) The protection level of DKX-GB is: IP55.
