Panel Surface Mounting - Siemens siprotec SJ62 User Manual

3 Mounting and Commissioning
Figure 3-30 Installing a 7SJ635 and 7SJ645 in a rack or cubicle (housing size
3.1.3.3

Panel Surface Mounting

411
For installation proceed as follows:
• Screw down the device to the panel with four screws. For dimensions see for the
Technical Data, Section 4.26.
• Connect the ground terminal of the device with the protective ground of the control
panel. The cross-section of the line, here used, must correspond to the maximum
connected cross-section, at least 0.10 in
• Connect solid, low-impedance operational grounding (cross-sectional area = 0.10
2
in ) to the grounding surface on the side. Use at least one M4 screw for the device
ground.
• Connections according to the circuit diagram via screw terminals, connections for
optical fibres and electrical communication modules via the inclined housings. The
SIPROTEC 4 System Description has pertinent information regarding wire size,
lugs, bending radii, etc.
1
/ ), as example
1
2
.
SIPROTEC 4, 7SJ62/63/64 Handbuch
C53000-G1140-C147-A, Edition 07.2015