Prisma Plus PH System - Schneider Electric

DD384402
DD384403
Distribution
Catalogue numbers
The bars are secured by insulated supports. Three
fixed supports, attached to the framework, are
mandatory.
If necessary, additional free supports may be used.
The bars rest on a bottom support.
The table opposite indicates:
b the number and size of the bars to be used,
depending on the permissible current level in the
busbars
b the number of supports required in a cubicle,
depending on the rated short-time withstand current
(Icw).
The bars are secured by three mandatory fixed supports and
two free supports.
2
NSYBVS500
NSYAS500
04662
DD383350
DD383352
Lateral flat busbars
up to 1600 A
Busbars 5 mm thick
Busbar calculation
Permissible current
for switchboards
No. of bars/phase No. of supports Icw (kA rms/1 s)
IP55 y 15 y 25 y 30 y 40 y 50
750 1 bar de 60 x 5
900
1250
1 bar de 80 x 5
2 bars de 60 x 5
3
5
7
1600 2 bars de 80 x 5
Note: The permissible current values for the busbars are given for an ambient temperature of
35 °C around the switchboard.
For more information on busbar calculations, see DESW016.
Busbar selection
Flat busbars, W 1675 mm
Designation Cat. No.
Copper bar with holes 60 x 5 04516
Copper bar with holes 80 x 5 04518
Busbar supports
Three fixed supports are required to maintain the busbars. If more than three
supports are required, use additional free supports.
Designation Cubicle W 300
D 500 D 800
Distance between
busbar centres
Fixed support for lateral
flat busbars
75 75 115
NSYBVS500 NSYBVS800 NSYBVS800L
Free support (additional) 04662 04662 04678
NSYBVS500. 04662.
Busbar chocks
The bottom support maintains the bars in position. It is not considered a busbar
support.
Designation Cubicle W 300
D 500 D 800
Distance between
busbar centres
75 75 115
Bottom support for lateral NSYAS500
flat busbars
NSYAS800 NSYAS800L
NSYAS500.
DD381650
version: 1.0 - 06/2010 401F_E22315.indd