Operation
174/214 Revision 11 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DA10 • 861-9601.9
De-earthing the busbar section in the right-hand panel
1
Initial situation
2
➭ Open the circuit-breaker to de-earth the right-hand panel.
3
➭ Push the interrogation lever downwards.
4
➭ Push the left-hand control gate to the right.
5
➭ Switch the left-hand three-position disconnector from READY-TO-
EARTH to OPEN position (insert the operating lever for the READY-TO-
EARTH function and turn 180° counter-clockwise).
6
➭ Remove the operating lever for the READY-TO-EARTH function.
The interrogation lever and the left-hand control gate return to their initial
position.
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