Mounting and Commissioning
3.1 Mounting and Connections
SIPROTEC, 7SD610, Manual
C53000-G1176-C145-6, Release date 02.2011
288
Figure 3-13 Installing a device in a rack or cubicle (housing size
1
/
3
)
3.1.3.3 Panel Mounting
For mounting proceed as follows:
• Secure the device to the panel with four screws. For dimensions see the Technical Data in Section 4.17.
• Connect the low-resistance operational and protective earth to the ground terminal of the device. 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. It must thus be at least 2.5 mm
2
.
• Alternatively, there is the possibility to connect the aforementioned earthing to the lateral earthing surface
with at least one M4 screw.
• Make the connections according to the circuit diagram via screw terminals, connections for optical fibres and
electrical communication modules via the console housings. The specifications concerning the maximum
cross-section, tightening torques, bending radii and strain relief given in the SIPROTEC 4 System Descrip-
tion must be observed. Installation notes are also given in the brief reference booklet that comes with the
device.
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