The functions of automation, electric control and hand control.

Delay-time 0.5s,detection signal,to prevent error action.

Remote control "0" position.

The key switch to select control modes.

The switch can all be provided with RS-485 communication interface .This can be provided according to the requriements of the user.

Suitable in the two cricuit of main and prepare electrical power,self-switch and self-reset.

External connection carries on the function expansion.

Suitable in the two circuit of main and perpare electrical power .

Main Technical Parameters

 4.Operation

automatic change-over switch