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Siemens SIPROTEC 7SD610 User Manual

Siemens SIPROTEC 7SD610
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3 Mounting and Commissioning
284
7SD610 Manual
C53000-G1176-C145-4
Figure 3-12 Example of panel flush mounting of a device (housing size
1
/
3
)
3.1.3.2 Rack and Cubicle Mounting
To install the device in a rack or cubicle, a pair of mounting rails; one for top, one for
bottom are required. The ordering codes are stated in Appendix, Section A.1
For 7SD610 (Picture 3-13) 4 covers and 4 holes exist.
• Screw on loosely the two angle brackets in the rack or cabinet, each with four
screws.
• Remove the 4 covers at the corners of the front cover. Thus, 4 elongated holes are
revealed in the mounting bracket and can be accessed.
• Fasten the device to the a pair of mounting rails; one for top, one for bottom with 4
screws.
• Replace the 4 covers.
• Tighten fast the eight screws of the angle brackets in the rack or cabinet.
• Screw down a robust low-ohmic protective earth or station earth to the rear of the
device using at least an M4 screw. The cross-sectional area of the earth wire must
be equal to the cross-sectional area of any other conductor connected to the device.
The cross-section of the earth wire must be at least 2.5 mm
2
.
• Connections use the plug terminals or screw terminals on the rear side of the device
in accordance the wiring diagram.
For screw connections with forked lugs or direct connection, before inserting wires
the screws must be tightened so that the screw heads are flush with the outer edge
of the connection block.
A ring lug must be centred in the connection chamber so that the screw thread fits
in the hole of the lug.
The SIPROTEC 4 System Description has pertinent information regarding wire
size, lugs, bending radii, etc. Installation notes are also given in the brief reference
booklet attached to the device.
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Siemens SIPROTEC 7SD610 Specifications

General IconGeneral
BrandSiemens
ModelSIPROTEC 7SD610
CategoryRelays
LanguageEnglish

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