Siemens NXPLUS C Installation And Operating Instructions Manual page 121

Emergency release of the
solenoid interlocking
802-9074.9 • INSTALLATION AND OPERATING INSTRUCTIONS • NXPLUS C Wind • Revision 05
Measure the distance of the knurled bolt to the plastic nut.

Hold the housing of the pushbutton at the front.
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Adjust the freewheel to the requested dimension by turning the knurled bolt

(recommendation: wear gloves, so that the bolt can be turned more easily).
Refit the front plate.

If the switchgear is equipped with a solenoid interlocking, the control gate is blocked if there
is no auxiliary voltage available. In case of emergency, this interlock of the circuit-breaker
panel and disconnector panel can be bypassed as follows:
DANGER!
If the interlocking provided by the control gate is eliminated, switching operations are possible
that can cause an arc fault which will endanger the life of the people present and damage the
switchgear.
Do only eliminate the interlocking of the control gate to push the control gate to the center

position.
Do not perform switching operations.

Use a screwdriver that fits the hole diameter of the solenoid openings.

Tripping the emergency release in the circuit-breaker/disconnector panel:
Fig. 114: Solenoid openings in the circuit-breaker/disconnector panel
To push the control gate from center position to right position: Remove left-hand
dummy plug . Insert the screwdriver through the left-hand opening and push the
solenoid back. Push the control gate to the right. The left-hand solenoid is released again,
blocking further movements.
To push the control gate from center position to left position: Remove right-hand

dummy plug . Insert the screwdriver through the right-hand opening and push the
solenoid back. Push the control gate to the left. The right-hand solenoid is released again,
blocking further movements.
Installation
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