Panels with motor operating mechanism control
404 NXAIR / ≤ 40 kA 110-0134.9 / 14
The procedure for opening the circuit-breaker manually in panels with motor operating mechanism control is
identical with the procedure in panels without motor operating mechanism control.
For opening the circuit-breaker manually, see chapter 10.13.
27.12 Closing the circuit-breaker manually
Closing the circuit-breaker manually is carried out by pushing a rod through an actuating opening in the high-
voltage door, thereby operating the ON pushbutton underneath the high-voltage door. In contrast to manually
opening the circuit-breaker, closing is only possible when the control door is open. However, the indicator for
the circuit-breaker position can still be seen through an inspection window after closing the control door.
Fig. 727: Circuit-breaker type 3AE1:
Actuating opening for closing the circuit-
breaker manually
Fig. 728: Circuit-breaker type 3AE5:
Actuating opening for closing the
circuit-breaker manually
Fig. 729: Circuit-breaker type 3AE1:
Inspection window for CLOSED/OPEN
indicator of the circuit-breaker
Fig. 730: Circuit-breaker type 3AE5:
Inspection window for CLOSED/OPEN
indicator of the circuit-breaker
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