Siemens NXPLUS C User Manual

Installation
164/293 Revision 11 • INSTALLATION AND OPERATING INSTRUCTIONS • NXPLUS C • 802-9081.9
Mounting arcing plates in
the cable compartment
The arcing plates in 2000 A, 2500 A panels are fitted on the mounting plate provided for this
purpose at the bottom of the switchgear vessel.
Mounting first row of
cables
➭ Push rubber sleeves onto the cables.
➭ Mount first row of cable T-plugs on phases L1 to L3.
➭ Mount the floor plate of the floor cover (see page 156, "Mounting the floor plates").
➭ Pre-assemble the coach bolts on the first arcing plate. To do this, turn the fixing nut so far
that the bolt heads can still be fitted into the mounting plate later.
➭ Hook the arcing plate into the mounting plate and mount it according to the given
recommendation (see page 158, "Connecting cable T-plugs").
➭ Tighten the fixing nuts of the arcing plate. Tightening torque: 20 Nm.
Mounting second and
third row of cables
➭ Push rubber sleeves onto the cables.
➭ Mount second and third row of cable T-plugs on phases L1 to L3.
➭ Mount the floor plates or termination plate of the floor cover (see page 156, "Mounting the
floor plates").
➭ Mount second and third arcing plate in the same way as the first arcing plate.
16.4 Connecting surge arresters
Suitable surge arresters are listed in the operating instructions (see page 34, "Possible
combinations of cable connection types (T-plugs, coupling inserts) and surge arresters up to
24 kV").
The surge arresters are supplied with the supplementary equipment. Depending on their
version, they are pre-assembled with a support.
➭ Mount the surge arresters according to the manufacturer's assembly instructions.
➭ Ensure earth connection of the surge arrester according to the manufacturer's assembly
instructions.
Fig. 124: Arcing plates in the cable compartment of 2000 A, 2500 A
panels
①
First arcing plate
②
Second arcing
plate
③
Third arcing plate
INFORMATION
If a power-frequency voltage test is performed after installing the switchgear, the surge
arresters must not be mounted before the test.

Siemens NXPLUS C Specifications

General

Brand	Siemens
Model	NXPLUS C
Category	Circuit breakers
Language	English