Operating The Three-Position Disconnector With Motor Operating Mechanism; Emergency Operation Of The Three-Position Disconnector - Siemens NXPLUS C Installation And Operating Instructions Manual

Adapter for emergency
operation
802-9074.9 • INSTALLATION AND OPERATING INSTRUCTIONS • NXPLUS C Wind • Revision 05
Push the interrogation lever downwards.

Push the control gate to the right.

The opening for the EARTHING/READY-TO-EARTH operation is free.
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Insert the operating lever for the EARTHING/READY-TO-EARTH operation (red) and turn 180°

counter-clockwise.
The three-position disconnector is open.
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Remove the operating lever for the EARTHING/READY-TO-EARTH operation.

The interrogation lever and the control gate return to their initial position.
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21.6

Operating the three-position disconnector with motor operating mechanism

The switching operations DISCONNECTING, EARTHING and READY-TO-EARTH of the three-
position disconnector can be performed by means of a motor operating mechanism (option).
Three-position disconnectors with motor operating mechanism can also be controlled from
remote according to their design.
21.7

Emergency operation of the three-position disconnector

If the motor voltage of the three-position disconnector with motor operating mechanism fails,
and the three-position disconnector is in none of the two end positions, you must operate the
three-position disconnector manually.
Position indicator for DISCONNECTING
function in faulty position
To do this, the adapter for emergency operation has to be pushed on the standard operating
lever.
Push emergency operation adapter on operating lever for three-position switch.

Fig. 127: Pushing on the adapter for emergency operation
Position indicator for EARTHING function in
faulty position
Operation
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