Eaton Power Xpert UX 12 - Earthing Busbars

System assembly
34
Power Xpert
®
UX with W-VACi circuit breaker 6063308 G01 01 14 July 2011 www.eaton.com
NOTE
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.
Fig. 3-8 Busbar connection for T-off
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.
WARNING
To prevent against electrical shock:
Earthing connections have to be properly made.
Connect the Power Xpert
®
earthing busbars to
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
®
UX
installation to the earth point of the switchroom.
3. Remove all tools, equipment and materials from the
compartment.
Fig. 3-9 Bolts connection for earthing busbar
1. Bolt M8x35
2. Plain washer 8
3. Spring washer 8
4. Nut M8
1
2
3
4
2