Siemens NXAIR Installation Instructions Manual page 64

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