Installing Busbars
Assemble the busbar connection while installing each cubicle.
-
The main busbar in the cubicle packaging, and
-
The busbar shims and hardware bag in the cubicle packaging.
-
Access the busbars through the side access of the cubicle.
NOTE: It is also possible to reach the busbar from within the cubicle. Refer to Access to the Busbar Compartments, User Guide (BQT6904800). -
Place the busbar between the two previously assembled cubicles.
NOTE: Repeat the above operations each time a switchboard cubicle is placed. - For standard torque values, refer to Standard Tightening Torques and comply with the specified torque values.
Center Cubicle – 12/17.5 kV
Figure 31
Tubular Busbar Arrangement
of 1250 A for 1250 A Feeder with Tubular Droppers
1 |
Screw M12 x 65 |
4 |
Tubular dropper |
2 |
Washer M12 |
5 |
Nut M12 |
3 |
Tubular busbar |
6 |
Boot(1) |
(1) Boots are not required for 17.5 kV.
Figure 32
Tubular Busbar Arrangement
of 2000 A for 1250 A Feeder with Tubular Droppers
1 |
Screw M12 x 65 |
4 |
Tubular dropper |
2 |
Washer M12 |
5 |
Nut M12 |
3 |
Tubular busbar |
6 |
Boot(1) |
(1) Boots are not required for 17.5 kV.
Figure 33
D Shape Busbar Arrangement
of 2500 A for 1250 A Feeder with Tubular Droppers
1 |
Screw M12 x 65 |
5 |
Tubular dropper |
2 |
Washer M12 |
6 |
Nut M12 |
3 |
D shape busbar |
7 |
Boot(1) |
4 |
Spacer |
(1) Boots are not required for 17.5 kV.
Figure 34
D Shape Busbar Arrangement
of 4000 A for 1250 A Feeder with Tubular Droppers
1 |
Screw M12 x 65 |
5 |
Tubular dropper |
2 |
Washer M12 |
6 |
Nut M12 |
3 |
D shape busbar |
7 |
Boot(1) |
4 |
Spacer |
(1) Boots are not required for 17.5 kV.
Figure 35
Tubular Busbar Arrangement
of 2000 A for 2000 A Feeder with Tubular Droppers
1 |
Screw M12 x 65 |
4 |
Tubular dropper |
2 |
Washer M12 |
5 |
Nut M12 |
3 |
Tubular busbar |
6 |
Boot(1) |
(1) Boots are not required for 17.5 kV.
Figure 36
D Shape Busbar Arrangement
of 2500 A for 2000 A Feeder with Tubular Droppers
1 |
Screw M12 x 65 |
5 |
Tubular dropper |
2 |
Washer M12 |
6 |
Nut M12 |
3 |
D shape busbar |
7 |
Boot(1) |
4 |
Spacer |
(1) Boots are not required for 17.5 kV.
Figure 37
D Shape Busbar Arrangement
of 4000 A for 2000 A Feeder with Tubular Droppers
1 |
Screw M12 x 65 |
5 |
Tubular dropper |
2 |
Washer M12 |
6 |
Nut M12 |
3 |
D shape busbar |
7 |
Boot(1) |
4 |
Spacer |
(1) Boots are not required for 17.5 kV.
Figure 38
D Shape Busbar Arrangement
of 2500 A for 2500 A Feeder with Tubular Droppers
1 |
Screw M12 x 65 |
5 |
Tubular dropper |
2 |
Washer M12 |
6 |
Nut M12 |
3 |
D shape busbar |
7 |
Boot(1) |
4 |
Spacer |
(1) Boots are not required for 17.5 kV.
Figure 39
D Shape Busbar Arrangement
of 4000 A for 2500 A Feeder with Tubular Droppers
1 |
Screw M12 x 65 |
5 |
Tubular dropper |
2 |
Washer M12 |
6 |
Nut M12 |
3 |
D shape busbar |
7 |
Boot(1) |
4 |
Spacer |
(1) Boots are not required for 17.5 kV.
Figure 40
D Shape Busbar Arrangement
of 3150 A for 3150 A Feeder with Tubular Droppers
1 |
Screw M12 x 65 |
5 |
Tubular dropper |
2 |
Washer M12 |
6 |
Nut M12 |
3 |
D shape busbar |
7 |
Boot(1) |
4 |
Spacer |
(1) Boots are not required for 17.5 kV.
Figure 41
D Shape Busbar Arrangement
of 4000 A for 3150 A Feeder with Tubular Droppers
1 |
Screw M12 x 65 |
5 |
Tubular dropper |
2 |
Washer M12 |
6 |
Nut M12 |
3 |
D shape busbar |
7 |
Boot(1) |
4 |
Spacer |
(1) Boots are not required for 17.5 kV.
Figure 42
D Shape Busbar Arrangement
of 4000 A for 4000 A Feeder with Tubular Droppers
1 |
Screw M12 x 65 |
5 |
Tubular dropper |
2 |
Washer M12 |
6 |
Nut M12 |
3 |
D shape busbar |
7 |
Boot(1) |
4 |
Spacer |
(1) Boots are not required for 17.5 kV.
Center Cubicle – 24 kV
Figure 43
D Shape Busbar Arrangement
of 2500 A for 2500 A Feeder
1 |
Nut M12 |
5 |
Bolt M12 x 60 |
2 |
Washer M12 |
6 |
Boot cover(1) |
3 |
Spacer |
7 |
Boot |
4 |
D shape busbar |
8 |
Droppers |
(1) Knock-out the D-shaped busbar entry section from the boot cover on site.
Figure 44
D Shape Busbar Arrangement
of 2500 A for 1250 A Feeder
1 |
Nut M12 |
5 |
D shape busbar |
2 |
Washer M12 |
6 |
Screw M12 x 55 |
3 |
Tubular dropper |
7 |
Boot |
4 |
Spacer |
Figure 45
Flat Busbar Arrangement of
2500 A for 2500 A Feeder
1 |
Nut M12 |
5 |
Spacer |
2 |
Washer M12 |
6 |
Screw M12 x 70 |
3 |
Flat busbar |
7 |
Boot cover(1) |
4 |
Droppers |
8 |
Boot |
(1) Knock-out the flat busbar entry section from the boot cover on site.
Figure 46
Flat Busbar Arrangement of
2500 A for 1250 A Feeder with Tubular Droppers
1 |
Nut M12 |
5 |
Tubular dropper |
2 |
Washer M12 |
6 |
Screw M12 x 70 |
3 |
Flat busbar |
7 |
Boot |
4 |
Spacer |
Figure 47
Flat Busbar Arrangement of
2500 A for 1250 A Feeder with Flat Droppers
1 |
Nut M12 |
5 |
Flat dropper |
2 |
Washer M12 |
6 |
Screw M12 x 60 |
3 |
Flat busbar |
7 |
Boot cover(1) |
4 |
Spacer |
8 |
Boot |
(1) Knock-out the flat busbar entry section from the boot cover on site.
Figure 48
Flat Busbar Arrangement of
1250 A for 1250 A Feeder with Flat Droppers
1 |
Nut M12 |
5 |
Screw M12 x 55 |
2 |
Washer M12 |
6 |
Boot cover(1) |
3 |
Flat dropper |
7 |
Boot |
4 |
Flat busbar |
(1) Knock-out the flat busbar entry section from the boot cover on site.
Figure 49
Tubular Busbar Arrangement
of 1250 A for 1250 A Feeder with Tubular Droppers
1 |
Screw M12 x 55 |
4 |
Tubular dropper |
2 |
Washer M12 |
5 |
Nut M12 |
3 |
Tubular busbar |
6 |
Boot |
Figure 50
Flat Busbar Arrangement of
1250 A for 1250 A Feeder with Tubular Droppers
1 |
Nut M12 |
5 |
Flat droppers |
2 |
Washer M12 |
6 |
Screw M12 x 55 |
3 |
Tubular dropper |
7 |
Boot |
4 |
Spacer |
End Cubicle
Figure 51
D Shape Busbar Arrangement
of 2500 A for 2500 A Feeder
1 |
Nut M12 |
5 |
Bolt M12 x 60 |
2 |
Washer M12 |
6 |
Boot cover(1) |
3 |
Spacer |
7 |
Boot |
4 |
D shape busbar |
8 |
Droppers |
(1) Knock-out the D-shaped busbar entry section from the boot cover on site.
Figure 52
D Shape Busbar Arrangement
of 2500 A for 1250 A Feeder
1 |
Nut M12 |
5 |
D shape busbar |
2 |
Washer M12 |
6 |
Screw M12 x 55 |
3 |
Tubular dropper |
7 |
Boot |
4 |
Spacer |
Figure 53
Flat Busbar Arrangement of
2500 A for 2500 A Feeder
1 |
Nut M12 |
5 |
Spacer |
2 |
Washer M12 |
6 |
Screw M12 x 70 |
3 |
Flat busbar |
7 |
Boot cover(1) |
4 |
Droppers |
8 |
Boot |
(1) Knock-out the flat busbar entry section from the boot cover on site.
Figure 54
Flat Busbar Arrangement of
2500 A for 1250 A Feeder with Tubular Droppers
1 |
Nut M12 |
5 |
Tubular dropper |
2 |
Washer M12 |
6 |
Screw M12 x 70 |
3 |
Flat busbar |
7 |
Boot |
4 |
Spacer |
Figure 55
Flat Busbar Arrangement of
2500 A for 1250 A Feeder with Flat Droppers
1 |
Nut M12 |
5 |
Flat dropper |
2 |
Washer M12 |
6 |
Screw M12 x 60 |
3 |
Flat busbar |
7 |
Boot cover(1) |
4 |
Spacer |
8 |
Boot |
(1) Knock-out the flat busbar entry section from the boot cover on site.
Figure 56
Flat Busbar Arrangement of
1250 A for 1250 A Feeder with Flat Droppers
1 |
Nut M12 |
5 |
Screw M12 x 55 |
2 |
Washer M12 |
6 |
Boot cover(1) |
3 |
Flat dropper |
7 |
Boot |
4 |
Flat busbar |
(1) Knock-out the flat busbar entry section from the boot cover on site.
Figure 57
Tubular Busbar Arrangement
of 1250 A for 1250 A Feeder with Tubular Droppers
1 |
Screw M12 x 55 |
4 |
Tubular dropper |
2 |
Washer M12 |
5 |
Nut M12 |
3 |
Tubular busbar |
6 |
Boot |
Figure 58
Flat Busbar Arrangement of
1250 A for 1250 A Feeder with Tubular Droppers
1 |
Nut M12 |
5 |
Flat droppers |
2 |
Washer M12 |
6 |
Screw M12 x 55 |
3 |
Tubular dropper |
7 |
Boot |
4 |
Spacer |
BSC - BSR Cubicle
Figure 59
Tubular Busbar Arrangement
of 1250 A for 1250 A BSC - BSR with Flat Droppers
1 |
Flat dropper |
4 |
Nut M12 |
2 |
Tubular busbar |
5 |
Screw M12 x 55 |
3 |
Washer M12 |
6 |
Boot |
Figure 60
Flat Busbar Arrangement of
2500 A for 2500 A BSC - BSR with Flat Droppers
1 |
Droppers |
5 |
Spacer |
2 |
Flat busbar |
6 |
Screw M12 x 70 |
3 |
Washer M12 |
7 |
Boot cover(1) |
4 |
Nut M12 |
8 |
Boot |
(1) Knock-out the flat busbar entry section from the boot cover on site.