Rack Mounting And Cubicle Mounting - Siemens SIPROTEC 4 7SJ61 Manual

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Figure 3-18
3.1.3.2

Rack Mounting and Cubicle Mounting

To install the device in a rack or cubicle, two mounting brackets are required. The ordering codes are stated in
Appendix A Ordering Information and
•
Loosely screw the two mounting brackets in the rack or cubicle with 4 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.
•
Fasten the device to the mounting brackets with screws.
•
Put the 4 covers back in place.
•
Tighten the mounting brackets to the rack or cubicle using eight screws.
•
Connect the ground on the rear plate of the device to the protective ground of the panel. Using at least
one M4 screw. 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 realized via the plug or screw terminals on the rear side of the device according to the
circuit diagram. When using forked lugs for screw terminals or in case of direct connections, the screws
must be screwed in so far that the screw heads align with the terminal block before inserting the lugs
and wires. 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 4 System Description provides information regarding maximum
wire size, torque, bending radius and cable relief and must be observed.
SIPROTEC 4, 7SJ61, Manual
C53000-G1140-C210-6, Edition 05.2016
Panel flush mounting of a device (housing size
Accessories.
2 / 0.098 in
1 / )
2
2 .
Mounting and Commissioning
3.1 Mounting and Connections
257