Earthing Busbars - Eaton Power Xpert UX 12 User Manual

System assembly
The adjacent illustration shows the assembly of the
main busbar with a T-off:
Top: Assembly for main busbar/T-off 630/800/1250 A
Centre: Assembly for main busbar/T-off 2000/2500 A
Bottom: Assembly for main busbar/T-off 3150 A.
3.4.2

Earthing busbars

General
The earthing busbar system is located in the bottom
compartment of the panel and consists of a copper bar.
To prevent against electrical shock:
Earthing connections have to be properly made.
Connect the Power Xpert
the earth connection of the building (local earth
potential).
Earthing busbars - coupling
1. Connect adjacent panel's earthing busbar in the
bottom part of the cable compartment.
2. Connect the earthing busbar of the Power Xpert
installation to the earth point of the switchroom.
3. Remove all tools, equipment and materials from the
compartment.
34
Power Xpert
NOTE
WARNING
®
earthing busbars to
®
UX with W-VACi circuit breaker 6063308 G01 01 14 July 2011 www.eaton.com
Fig. 3-8 Busbar connection for T-off
®
UX
Fig. 3-9 Bolts connection for earthing busbar
1. Bolt M8x35
2. Plain washer 8
3. Spring washer 8
4. Nut M8
1
2
2
3
4