Operation
9229 0025 176 0A 59
2019-08-05
Charging the closing spring
If the supply voltage is applied, the closing spring is automatically charged by the
motor.
Hand crank If the supply voltage fails, the closing spring can be charged with a hand crank.
• To do this, fit the hand crank onto the hand crank coupling through the opening
with the adapter pushed forward and
• turn clockwise until the spring state indicator changes over:
The adapter of the hand crank is designed in such a way that the hand crank be-
comes uncoupled when the motor supply voltage returns.
WARNING
Suddenly rotating hand crank when motor starts up
Risk of injury if hand cranks other than the original hand crank are used.
If the hand crank does not have a slip coupling, the hand crank will also rotate
when the motor starts up.
The vacuum circuit-breaker must only be charged with the original hand crank.
Discharged Charged
Fig. 94 Charging the closing spring with the hand
crank
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