De-Earthing With Three-Position Disconnector - Siemens NXPLUS C Installation And Operating Instructions Manual

Medium-voltage switchgear/wind fixed mounted circuit-breaker switchgear up to 36 kv, extendable
Table of Contents

Advertisement

Operation
148/172
DANGER!
Danger!
In order to prevent switching operations and accidental de-earthing or de-earthing caused
by unauthorized persons:
Always secure the control gate with a padlock. This also applies to earthing with motor
operating mechanism.
Fit a padlock as follows:
• For manual earthing: Fit the padlock at the control gate in center position.
Earthing switch with motor operating mechanism: Push the control gate upwards and fit
the padlock to interrupt the motor control.
22.5

De-earthing with three-position disconnector

Check the ready-for-service indicator.
Remove the padlock.
To release the switching gate, push the control gate downwards and hold.
Insert the operating lever and move straight to OPEN position.
The switchgear is de-energized.
r
Remove the operating lever. The control gate moves to the center position automatically.
Refit the padlock at desired position.
The locking device of the switching gate can be padlocked in all three switch positions.
r
Revision 05 • INSTALLATION AND OPERATING INSTRUCTIONS • NXPLUS C Wind • 802-9074.9

Advertisement

Table of Contents
loading

Table of Contents