Operating the circuit-breaker panel
48 NXAIR / ≤ 40 kA 110-0134.9 / 14
The actuating opening for racking the withdrawable circuit-breaker / circuit-breaker truck is located on the
control board of the high-voltage door.
Fig. 57: Actuating opening for racking the
withdrawable circuit-breaker /
circuit-breaker truck
Fig. 59: Double-bit key,
diameter 5 mm
Maloperation
All interlocks are only released when the withdrawable circuit-breaker / circuit-
breaker truck is in a stable end position.
Rack the withdrawable circuit-breaker / circuit-breaker truck absolutely
until end position.
Lift the operating slide and hold it.
To release access to the withdrawable circuit-breaker / circuit-breaker truck, insert the
double-bit key and turn clockwise as far as it will go (that is 90°).
Fig. 60: Lifting the operating slide
Fig. 61: Turning the double-bit key
clockwise
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