•
Put the 4 covers back into place.
•
Tighten fast the 8 screws of the angle brackets in the rack or cabinet.
•
Connect a solid low-impedance protective 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
2
.
•
Make the connections on the device's back panel using the plug or screw terminals as shown in 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.
[montage-gehause-4zeilig-display-drittel, 1, en_GB]
Figure 3-18
Installing a device in a rack or cubicle (housing size
1
/
3
)
Mounting and Commissioning
3.1 Mounting and Connections
SIPROTEC 4, 7VK61, Manual 201
C53000-G1176-C159-5, Edition 05.2018
To Next Page
Loading...
