Mounting and Commissioning
3.1 Mounting and Connections
SIPROTEC, 7RW80, Manual
C53000-G1140-C233-1, Release date 10.2010
153
3.1.3.3 Cubicle Mounting
To install the device in a rack or cubicle, two mounting brackets are required. The ordering codes are stated in
Appendix, Section A.1.
The housing (housing size
1
/
6
) has 2 covers and 4 fixing holes.
• Loosely screw the two angle rails into the rack or cubicle with 4 screws each.
• Remove the 2 covers at the top and bottom of the front cover. Thus, 4 elongated holes are revealed in the
mounting bracket and can be accessed.
• Secure the device to the angle rails with 4 screws.
• Mount the 2 covers again.
• Tighten the 8 screws of the the angle rails in the rack or cubicle.
• Connect a solid low-ohmic protective and operational ground to the grounding terminal of the device. The
cross-section of the cable used must correspond to the maximum connected cross-section but must be at
least 2.5 mm
2
.
• Connections are realized via the screw terminals on the rear side of the device according to the circuit dia-
gram. The details on the connection technique for the communication modules on the bottom of the device
(port A and port B) in accordance with the SIPROTEC 4 System Description and the details on the connec-
tion technique for the voltage terminals on the back of the device in the Sections „Connections of the Voltage
Terminals“ must be observed.
Figure 3-12 Example installation of a 7RW80 in a rack or cubicle
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