Basic HTML Version
3/125
04662 04664 NSYBHS500
DD381226
DD381225
04664
.
04662
.
Busbar centre-to-
centre distance (mm)
Enclosure W700
Depth 500
Enclosure W300
Depth 500
Enclosure W300
Depth 600
Enclosure W300
Depth 800
75
75
75
75
Fixed support for
horizontal bars
04664
NSYBHS500 NSYBHS600 NSYBHS800
Mobile support
(additional)
04662
04662
04662
04662
Framework width
(mm)
Bar section
(mm)
No. of Icw supports (kA eff/1 s)
15
25
30
40
50
700
1 bar, 60 5
1 bar, 80 5
2 bars, 60 5
2
3
2 bars, 80 5
300
All sections
1
2
Permissible current level (A)
No. bars/phase
IP55
750
1 bar, 60 5
900
1 bar, 80 5
1250
2 bars, 60 5
1600
2 bars, 80 5
Note: The busbar permissible current level values are provided for an ambient temperature of 35 °C around
the panel.
system
Horizontal busbars up to 1600 A
Busbar configuration
The bars are supported by insulating supports fixed to
the framework.
The tables on this page show:
• The number and section of the bars to be used
according to the permissible current level of
the busbar;
• The number of bar supports to be installed in each
type of framework, according to:
– The section of the bars
– The rated short-time withstand current Icw.
For further information on configuring the busbar,
see page
3/128
.
The busbar takes up 3 Prisma modules of 50 mm
each.
Number and section of the copper bars
3 modules
Busbar selection
Fixed support and mobile support.
Connection.
Flat bars with width 2000 mm
Connections
Number of supports
Type of bar
Reference
Plain copper bar, 60 5
04536
Plain copper bar, 80 5
04538
Bar supports
2 compulsory fixed supports for frameworks with width 700 and 1 compulsory
support for frameworks with width 300. If more supports are required, complete
them using mobile supports.
Connections
Reference
1 connection for bars
Width 60 mm
04640
Width 80 mm
04641
Note: When installed at the bottom of the enclosure, the busbar must be partitioned
.
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