BRAKE CHOPPER UNIT (NXB)
vacon • 145
24-hour s358 (0)40 837 1150 • Email: [email protected]
10
10.7
Brake chopper unit – Fuse selection
DIN43620
Chassis
Type
Min resistor
value, 2*
[ohm]
Braking
current
aR fuse part nr.
Fuse size*
Fuse
U
n
[V]
Fuse
I
n
[A]
Qty. of
fuses
CH3 0016 52,55
32
170M2679
DIN00 690 63 1
CH3 0022 38,22
44
170M2679
DIN00 690 63 1
CH3 0031 27,12
62
170M2679
DIN00 690 63 1
CH3 0038 22,13
76
170M2679
DIN00 690 63 1
CH3 0045 18,68
90
170M2683
DIN00 690 160 1
CH3 0061 13,78
122
170M2683
DIN00 690 160 1
CH4
0072
11,68
144
170M2683
DIN00
690
160
1
CH4
0087
9,66
174
170M2683
DIN00
690
160
1
CH4
0105
8,01
210
170M2683
DIN00
690
160
1
CH4
0140
6,01
280
170M4199
1SHT
690
400
1
CH5
0168
5,00
336
170M4199
1SHT
690
400
1
CH5 0208
4,10
410
170M4199
1SHT 690 400 1
CH5 0261
3,22
522
170M4199
1SHT 690 400 1
CH61
0300
2,80
600
170M6202
3SHT
690
500
1
CH61
0385
2,18
770
170M6305
3SHT
690
700
2
CH62 0460
1,83
920
170M6277
3SHT
690 1000
2
CH62 0520
1,62
1040
170M6277
3SHT
690 1000
2
CH62 0590
1,43
1180
170M6277
3SHT
690 1000
2
CH62 0650
1,29
1300
170M6305
3SHT
690 700 3
CH62 0730
1,15
1460
170M6305
3SHT
690 700 3
Table 10-14. BCU fuse selection, mains voltage 465–800Vdc
DIN43620
Chassis
Type
Min resistor
value, 2*
[ohm]
Braking
current
aR fuse part nr.
Fuse size*
Fuse
U
n
[V]
Fuse
I
n
[A]
Qty. of
fuses
CH61 0170
6,51
340
170M6305
3SHT 1250
700 1
CH61 0170*
80
27
170M2679
DIN00 1000
63
1
CH61 0208
5,32
416
170M6277
3SHT 1250
1000
1
CH61 0208*
30
73
170M2683
DIN00 1000
160 1
CH61 0261
4,24
522
170M6277
3SHT 1250
1000
1
CH61 0261*
12
183
170M4199
1SHT 1250
400 1
CH62
0310
3,41
650
170M6305
3SHT
1250
700
2
CH62
0385
2,88
770
170M6277
3SHT
1250
1000
2
CH62
0416
2,66
832
170M6277
3SHT
1250
1000
2
CH62
0460
2,41
920
170M6277
3SHT
1250
1000
2
CH62
0502
2,21
1004
170M6277
3SHT
1250
1000
2
Table 10-15. BCU fuse selection, mains voltage 640–1100Vdc