Rack Mounting And Cubicle Mounting - Siemens SIPROTEC 7SJ61 Manual

3.1.3.2 Rack Mounting and Cubicle Mounting

To install the device in a frame or cubicle, two mounting brackets are required. The ordering codes are stated
in Appendix, Section A.1
• Screw on loosely the two mounting brackets in the rack or cabinet, each with four screws.
• Remove the 4 covers on the corners of the front plate. Thus, 4 elongated holes are revealed in the mounting
bracket and can be accessed.
• Tighten the unit with 4 screws at the angle brackets.
• Replace the 4 covers.
• Tighten fast the eight screws of the angle brackets in the rack or cabinet.
• Connect the ground on the rear plate of the device to the protective ground of the rack. Use at least one M4
screw for the device ground. The cross section of the wire must be equal to the maximum connection cross
section area but be at least 2.5 mm
• Connections are realized via the plug terminals or screw terminals on the rear side of the device according
to the circuit diagram. When using forked lugs for direct connections or screw terminal, the screws, before
having inserted the lugs and wires, must be tightened in such a way that the screw heads are even with the
terminal block. A ring lug must be centered in the connection chamber, in such a way that the screw thread
fits in the hole of the lug. The SIPROTEC
size, lugs, bending radii, etc.
Figure 3-16
SIPROTEC, 7SJ61, Manual
C53000-G1140-C210-1, Release date 02.2008
2
.
Installing a device in a rack or cubicle (housing size
®
4 System Description has pertinent information regarding wire
1
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3
Mounting and Commissioning
3.1 Mounting and Connections
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