Operation
60 9229 0025 176 0A
2019-08-05
Closing
Provided there is no lock-out due to a mechanical interlock, send the closing com-
mand via the CLOSE pushbutton or the corresponding control unit until the vacuum
circuit-breaker is closed, and shows and signals the CLOSED switch position.
Change of the position indicator:
After closing and, if necessary, releasing the CLOSE pushbutton, the closing spring
is immediately automatically charged by the motor and the symbol for “Closing
spring charged” becomes visible in the spring state indicator.
Change of the spring state indicator:
Opening
The opening spring is charged during the closing operation.
To open, send the opening command via the OPEN pushbutton or the correspond-
ing control unit until the vacuum circuit-breaker is open, and shows and signals the
OPEN switch position.
Change of the switching position indicator after electrical opening:
The spring state indicator does not change.
Discharging the closing spring
To discharge the closing spring:
• Deactivate the supply voltage
• On the vacuum circuit-breaker, actuate the OPEN, CLOSE and OPEN pushbut-
tons manually one after the other.
This ensures that the vacuum circuit-breaker is open and the closing spring is dis-
charged.
OPEN CLOSE
Charged Discharged Charged
CLOSE OPEN
To Next Page
Loading...
