Siemens SIPROTEC 4 7UT6 Series Manual page 345

•
Loosely screw the two mounting brackets in the rack with four screws.
•
Remove the 4 or 6 caps on the corners of the front cover to reveal the 4 or 6 elongated holes in the
mounting bracket.
•
Fasten the device to the mounting brackets with 4 or 6 screws. (For dimensions refer to
sions).
•
Put the 4 or 6 covers back into place.
•
Tighten fast the 8 screws of the angle brackets in the rack or cabinet.
•
Connect a solid low-impedance protection and system earthing at the rear of the device with at least one
M4 screw. The cross-section of the earth wire must be equal to the cross-section of any other control
conductor connected to the device. The cross-section of the earth wire must be at least 2.5 mm
•
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, in such a way that the screw thread fits in the
hole of the lug. The
bending radii, etc.
[schrankeinbau-7ut612-021004-rei, 1, en_GB]
Figure 3-23
SIPROTEC 4, 7UT6x, Manual
C53000-G1176-C230-5, Edition 09.2016
/1/ SIPROTEC 4 System Manual
Assembly of a 7UT612 in the rack or cabinet
3.1 Mounting and Connections
has pertinent information regarding wire size, lugs,
Mounting and Commissioning
4.23 Dimen-
2 .
345