802-9081.9 • INSTALLATION AND OPERATING INSTRUCTIONS • NXPLUS C • Revision 11 107/293
Installation
15 Assembling the switchgear
In the instructions given in the following sections it is assumed that a new switchgear is being
installed which has not yet been connected to the mains, and that it is therefore not live.
Fig. 65: Bolts with sealing wax at the Siemens high-voltage vacuum contactor
DANGER
Hazardous voltage.
Will cause death, serious injury and property damage.
Always observe the Five Safety Rules:
➭ Isolate.
➭ Secure against reclosing.
➭ Verify safe isolation from supply.
➭ Earth and short-circuit.
➭ Cover or barrier adjacent live parts.
NOTICE
Functional failure due to pollution
Pollution or stepping on the switchgear can lead to functional failures during operation.
➭ Avoid any work that could pollute the switchgear (e. g. sawing, filing, painting or
plastering in the switchgear room, etc.).
➭ Do not step on the switchgear.
NOTICE
Damage to the operating mechanism
Undoing the sealed bolts can damage the Siemens high-voltage vacuum contactor.
Components inside the operating mechanism can come loose.
➭ Do not remove the bolts sealed with wax.
➭ If the sealing wax is broken, contact the regional Siemens representative.
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