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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
• 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 mounting brackets to the rack or cubicle using eight screws.
• 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
• Connections are to be established via the screw terminals at the rear panel of the device in accordance with
the circuit diagram. 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 connection technique for the current and voltage terminals at the rear of the device in the Sections „Con-
nections of the Current Terminals" and „Connections of the Voltage Terminals" must be strictly observed.
Figure 3-16
SIPROTEC, 7SK80, Manual
E50417-G1140-C344-A5, Release date 11.2012
1
/
) has 2 covers and 4 fixing holes.
6
2
.
Example installation of a 7SK80 in a rack or cubicle
Mounting and Commissioning
3.1 Mounting and Connections
319
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