Switch mechanism drive screw
The drive screw is used for manual switching on and off of the circuit breaker mechanism from outside the flameproof enclosure of the transformer station, by means of an indirect manual drive. The screw is installed in the apparatus compartment of the lower voltage side of the transformer station.
Changing the position of the contacts of the Q2 switch takes place after turning the shaft of the screw of the mechanism drive, which changes the switch setting through the lever..
Download the catalog card: