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B-12
Distribution
Busbar calculation
Profil
Linergy
Cat. no.
Permissible current at
35 °C
for switchboard
No. of supports
Icw
(kA rms / 1 s)
The table opposite indicates:
b
the catalogue numbers of the bars to be used,
depending on the permissible current level in the
busbars
b
the number of supports required, depending on the
rated short-time withstand current (Icw in kA rms / 1
second).
Busbars are installed in cubicles 650 or 800 mm wide,
whatever the depth.
For more information on other ambient temperatures
and on the depth available for devices, see page D-24.
IP
y
31
IP > 31
y
25
y
30
y
40
y
50
Linergy 630
04502
680
590
3
Linergy 800
04503
840
760
4
Linergy 1000
04504
1040
950
5
Linergy 1250
04505
1290
1170
7
Linergy 1600
04506
1650
1480
Note:
the permissible current values for the busbars are given for an ambient temperature of
35 °C around the switchboard.
The bottom support also maintains the bars in position.
Each catalogue number represents one bar.
Busbar selection
Linergy busbars, L = 1670 mm
Cat. no. selection
See the table below.
Each bar is supplied with a stop for the bottom support.
DD381241
DD381233
DD381234
DD381235
Bar 630 A.
Cat. no. 04502.
Bar 800 A.
Cat. no. 04503.
Bar 1000 A.
Cat. no. 04504.
DD381236
DD381237
Bar 1250 A.
Cat. no. 04505.
Bar 1600 A.
Cat. no. 04506.
Busbar supports
The bottom support maintains the bars in position.
They are supplied with 8.8 class mounting hardware.
The bottom support also maintains the bars in position.
Designation
Cat. no.
Busbar supports
04652
DD381242
DD381243
Busbar supports.
Each bar is supplied with a stop for
installation on the bottom support.
Rear Linergy busbars
up to 1600 A
Main distribution