Siemens NXPLUS C

802-9081.9 • INSTALLATION AND OPERATING INSTRUCTIONS • NXPLUS C • Revision 11 249/293
Operation
Bus sectionalizer panel with two three-position disconnectors: Earthing the left-hand
busbar system
1
Initial situation
2
➭ Push the interrogation lever downwards
and hold it.
3
➭ Push the left-hand control gate to the left
and hold it (the interrogation lever locks in
lower position. The left-hand actuating
opening for the DISCONNECTING function
opens).
4
➭ Switch the left-hand three-position
disconnector to CLOSED position (insert the
operating lever and turn 90° clockwise).
5
➭ Remove the operating lever (the
interrogation lever and the control gate
return to their initial position).
6
➭ Push the interrogation lever downwards
again and hold it.
7
➭ Push the right-hand control gate to the
right (the interrogation lever locks in lower
position. The right-hand actuating opening
for the READY-TO-EARTH function opens).
8
➭ Switch the right-hand three-position
disconnector to READY-TO-EARTH position
(insert the operating lever and turn 90°
clockwise).
9
➭ Remove the operating lever (the
interrogation lever and the control gate
return to their initial position).
10
➭ To earth the left-hand busbar system, close
the circuit-breaker.
11
➭ Fit a padlock.