Siemens NXAIR - Earthing the Feeder Manually

Assembling the panels
64 NXAIR / ≤ 40 kA 110-0084.9 / 15
(1)
Busbar
(2)
Feeder bar
(3)
Nut, conical spring washer
(4)
Bolt M12x80,
conical spring washer
(5)
Copper spacer
Arrowhead indicates the inserting
direction of the bolts
Bag with connecting elements:
110-1223.3
Fig. 66: Assembly of 3150 A / 4000 A busbar,
feeder 2500 A, U
r
≤ 12 kV, I
k
≤ 31.5 kA or
feeder ≤ 2500 A, I
k
≤ 40 kA with forced ventilation
Fig. 67: Side view of 3150 A / 4000 A busbar assembly,
feeder 2500 A, U
r
≤ 12 kV, I
k
≤ 31.5 kA or
feeder 2500 A, I
k
≤ 40 kA with forced ventilation
L1
L2
L3
2
1
3
4
5