Shunts are made according to EN 60051 and used for extending measuring ranges of d.c. ammeters with an accuracy class 1, 1.5 or 2.5. The shunts enable the measurement of d.c current up to 15,000A. They also give the possibility for the connected meter to be positioned a certain distance from the shunt for safe working conditions. All shunts from 1 to 25A (denoted type A in the table) are supplied fixed to a plastic insulating base suitable for DIN rail mounting. On request B2 shunts from 40 to 150A can be supplied fixed on insulating bases.
Accuracy class
0.5 (EN 60051)
Rated voltage drop
See table below
Rated current
See table below
Temperature coefficient
0.1% / 10K
Overload withstand
120% rated current for 2 h
5 second withstand
<250A rated current x10 250A – 2kA rated current x 5 2kA – 10kA rated current x 2
Operating temperature
2-25 to 55 deg C
Insulating base test voltage
5 kV
Â
Ranges, dimensions, weights & terminals
Type voltage drop
Rated Current [A]
Ver sion
Dimensions
Weight [kg]
Current terminals
a1
a2
b1
b2
b3
c1
c2
e
h
Number of terminals
Hexagon bolt
Washer
Nut
B2 60mV
1:1,5; 2,5; 4; 6; 10; 15; 25
A
90
28
20
Â
Â
8
Â
78
Â
0.13
2 x 1
M5 x 12
5.3
M12
Â
40, 60, 100. 150
A*
100
33
20
Â
Â
8
Â
80
Â
0.13
2 x 1
M8 x 16
8.4
M16
Â
250
B
145
55
30
15
Â
10
10
105
30
0.60
2 x 1
M12 x 40
13
M16
Â
400
B
145
55
40
20
Â
10
10
105
30
0.85
2 x 1
M16 x 45
17
M20
Â
600
B
145
55
40
20
Â
10
10
105
30
0.85
2 x 1
M16 x 45
17
M16
Â
1000
B
165
65
60
30
Â
10
10
115
30
1.45
2 x 1
M20 x 50
21
M20
Â
1500
B
165
65
90
21
48
10
10
115
30
2.00
2 x 2
M16 x 45
17
M20
Â
2500
B
165
65
120
30
60
10
10
115
30
2.90
2 x 2
M20 x 50
21
M20
Â
4000
C
165
65
120
30
60
15
10
115
60
4.30
2 x 2
M20 x 60
21
M20
Â
6000
C
175
70
165
25
52
25
15
125
130
10.50
2 x 3
M20 x 75
21
M20
Â
10000
C
185
75
206
25
52
30
20
135
170
21.00
2 x 4
M20 x 80
21
M20
Â
15000
C
185
75
310
25
52
30
20
135
170
32.00
2 x 6
M20 x 80
21
M20
B3 150mV
1:1,5; 2,5; 4; 6; 10; 15; 25
A
90
28
20
Â
Â
8
Â
78
Â
0.14
2 x 1
M5 x 12
5.3
Â
Â
40, 60, 100. 150
A*
225
33
25
Â
Â
8
Â
205
Â
0.23
2 x 1
M8 x 16
8.4
Â
Â
250
B
270
55
30
15
Â
10
10
230
50
0.68
2 x 1
M12 x 40
13
M12
Â
400
B
270
55
40
20
Â
10
10
230
50
1.05
2 x 1
M16 x 45
17
M16
Â
600
B
270
55
40
20
Â
10
10
230
50
1.16
2 x 1
M16 x 45
17
M16
Â
1000
B
290
65
70
35
Â
10
10
240
60
2.15
2 x 1
M20 x 50
21
M20
Â
1500
C
290
65
90
21
48
15
10
240
60
3.10
2 x 2
M16 x 60
17
M16
Â
2500
C
290
65
120
30
60
15
10
240
60
5.20
2 x 2
M20 x 60
21
M20
Â
4000
C
300
70
120
30
60
25
15
250
130
8.30
2 x 2
M20 x 75
21
M20
Â
6000
C
300
70
154
25
52
25
15
250
130
15.00
2 x 3
M20 x 75
21
M20
Â
10000
C
310
75
206
25
52
30
20
260
170
28.00
2 x 4
M20 x 80
21
M20
Â
15000
C
310
75
310
25
52
30
20
260
170
35.00
2 x 6
M20 x 80
21
M20
Voltage Termi- nals
Two M5x8 cylinder head bolts with a cruciform cavity + ø5.5 washers + ø5.1 spring washers.
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