Siemens NXAIR - Page 67

Assembling the panels
110-0084.9 / 15 NXAIR / ≤ 40 kA 67
Fig. 71: Assembly of 1250 A busbar, feeder 400 A
(1)
Busbar
(2)
Feeder bar
(3)
Bolt M12x40, conical
spring washer
(4)
Nut, conical spring
washer
(5)
Copper spacer
Bag with connecting
elements:
110-2804.3
Fig. 72: Detail view of the feeder bar connection (L3 phase as an example)
Arrowhead indicates the
inserting direction of the
bolts
Fig. 73: Side view of 1250 A busbar assembly, feeder 400 A
L1
L2
L3
2
1
3
5
4
3
5
4