Siemens 8DA10 Series Installation And Operating Instructions Manual page 166

Operation
1
Initial situation
3
➭ Push the interrogation lever downwards.
5
➭ Switch the left-hand three-position disconnector to OPEN position
(insert the operating lever for the DISCONNECTING function and turn
180° counter-clockwise).
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Decoupling busbar sections
Revision 11 • INSTALLATION AND OPERATING INSTRUCTIONS • 8DA10 • 861-9601.9
2
➭ Open the circuit-breaker.
4
➭ Push the left-hand control gate to the left.
6
➭ Remove the operating lever for the DISCONNECTING function.
The interrogation lever and the left-hand control gate return to their initial
position.