
Mounting and Commissioning
3.1 Mounting and Connections
SIPROTEC, 7SJ61, Manual
C53000-G1140-C210-1, Release date 02.2008
282
3.1.3
Installation
3.1.3.1
Panel Flush Mounting
For installation proceed as follows:
• 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.
• Insert the device into the panel cut-out and fasten it with four screws. For dimensions refer to Section 4.22.
• Replace the 4 covers.
• 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-sectional area of the ground wire must be equal to the cross-sectional area of any other
control conductor connected to the device. The cross-section of the ground wire must be at least 2.5 mm
2
.
• 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
®
System Description provides information regarding wire size,
lugs, bending radii, etc. which must be observed.
Figure 3-15
Panel flush mounting of a 7SJ61