16/40 Busbar system
Characteristic curves of busbar supports
2010 CA08103002Z-EN
www.eaton.comSASY
Characteristiccurves ofbusbar supportsSASY
Short-circuit rating to IEC/EN 60439-1
BBS-3/FL
BBS-3/PR
BBS-3/FL-C
①
②
③
④
I
pk
a
30 x 10 mm
30 x 5 mm
12 x 10 mm
20 x 10 mm
12 x 5 mm
20 x 5 mm
= Rated peak withstand current
= Busbar support spacing
①
②
I
pk
a
720 mm
2
500 mm
2
= Rated peak withstand current
= Busbar support spacing
①
②
I
pk
a
12 x 10 mm
12 x 5 mm
= Rated peak withstand current
= Busbar support spacing
Short-circuit strength to UL 845
BBS-3/FL-NA
BBS-3/PR
①
②
I
rms
a
30 x 5 mm
30 x 10 mm
12 x 5 mm
20 x 5 mm
12 x 10 mm
20 x 10 mm
= surge current (RMS)
= Busbar support spacing
①
②
I
rms
a
500 mm
2
720 mm
2
= surge current (RMS)
= Busbar support spacing
200
40
30
50
60
70
20
300
400
500
600
a
b
c
d
a [mm]
[kA]
I
PK
40
30
50
60
70
80
90
300
500
700
900
1100
a
b
a [mm]
[kA]
I
PK
10
30
20
30
40
50
60
200
300
400
500
600
a
b
a [mm]
[kA]
I
PK
200
10
5
15
20
25
0
300
400
500
600
a
b
a [mm]
[kA]
I
rms
a
b
200
10
5
15
20
25
0
400
600 800
100
a [mm]
[kA]
I
rms
BBS




