Siemens NXPLUS C

Operation
196/293 Revision 11 • INSTALLATION AND OPERATING INSTRUCTIONS • NXPLUS C • 802-9081.9
➭ Switch the three-position switch-disconnector to EARTHED position (see page 216, "Circuit-
breaker panel: Earthing the feeder ").
Fig. 159: Switching the three-position switch-disconnector to EARTHED position, example
for 600 mm panel width
✔ The opening spring is recharged.
➭ Check the HV HRC fuse-links and replace, if required (see page 208, "Replacing HV HRC fuse-
links").
➭ De-earth the three-position switch-disconnector (see page 217, "Circuit-breaker panel: De-
earthing the feeder").
➭ Switch the three-position switch-disconnector to CLOSED position (see page 214, "Circuit-
breaker panel: Connecting the feeder to the busbar").
✔ The opening spring is recharged.
21.7 Emergency operation of the three-position switch with slow motion
mechanism (900 mm panel width)
If the motor voltage fails in three-position switches with motor operating mechanism and the
three-position switch is in neither of the two end positions, the three-position switch must be
operated manually.
Fig. 160: Position indicator for DISCONNECTING function in faulty position
Fig. 161: Position indicator for EARTHING function in faulty position
To do this, the adapter for emergency operation has to be pushed on the standard operating
lever.