
Mounting and Commissioning
3.1 Mounting and Connections
SIPROTEC, 7SJ61, Manual
C53000-G1140-C210-1, Release date 02.2008
284
3.1.3.3
Panel Flush Mounting
For installation proceed as follows:
• Secure the device to the panel with four screws. For dimensions see the Technical Data, Section 4.22.
• Connect the robust low-ohmic protective ground or station ground to the grounding terminal on the rear plate
of the device. The cross-sectional area of the cable used must correspond to the maximum connected cross-
section, but must be at least 2.5 mm
2
.
• Alternatively, fasten the said ground to the grounding surface on the side with at least one M4 screw.
• Connections according to the circuit diagram via screw terminals, connections for optical fiber cable and
electrical communication modules via the housings. The SIPROTEC 4 System Description provides infor-
mation regarding maximum wire size, torque, bending radius and cable relief and must be observed.