Operating instructions
Protect 5.31/xxx-480-220-120 10 kVA - 120 kVA
Page 29 of 56 8000020680 BAL, en
6.4 Connection Cross Sections and Fuse Protection
Layout of cross sections in acc. with
DIN 0298, Part 4, Table 3
Type rating in kVA
Laying type B1/B2 10 20 30 40 60 80 100 120
1
Rectifiers, input X1
Rectifier fusing in A
20
40
63
80
125
160
200
250
2
Cross section in mm²/pole
*1
min.
max
10
2x95
10
2x95
16
2x95
25
2x95
50
2x95
70
2x240
95
2x185
2x50
2x185
3
SBS circuit input X4
SBS fusing in A
125
250
315
400
630
800
1000
1250
4
Cross section in mm²/pole
*1
min.
max
35
2x95
70
2x95
2x50
2x95
2x70
2x95
4x50
4x95
3x120
3x240
4x150
4x240
5
Load output X3
Load output fusing in A max.
40
63
100
125
200
250
315
400
6 Cross section in mm²/pole min.
max.
35
2x95
95
2x95
2x70
2x95
2x95
2x95
2x150
4x95
3x120
3x240
4x150
4x240
7
Remote signalling X12
Cross section of the signal line
in mm²/pole max..
0,2 - 2,5
Battery
8
Battery connection X2
Battery fusing in A
50
100
160
200
315
400
9 Cross section in mm²/pole min.
max.
10
2x95
25
2x95
50
2x95
95
2x95
2x50
2x95
2x95
2x240
Table 2 Connection cross sections and fuse protection
*1 Laying of the PE conductor in accordance with VDE 0100 T540,
Table 6
i
NOTE:
The cable clamp rail is located 185 mm above the ground.
Observe the bending radius!
(With one bend: radius = 10 x diameter)