Shunt Resistors Applications : current measurement, balance, sampling and limitation; measuring equipment, kilowatt-hour meter, high current applications
Shunt Resistor SR series :
SR-1 : 50mV / 60mV / 75mV : 1A – 125A
SR-2 : 50mV / 60mV / 75mV / 100mV : 150A – 200A
SR-3 : 50mV / 60mV / 75mV : 250A – 600A
SR-4 : 50mV / 60mV / 75mV : 750A – 1500A
SR-5 : 50mV / 60mV / 75mV : 2000A – 2500A
SR-6 : 50mV / 60mV / 75mV : 3000A – 6000A
The measured Current can be calculated by measuring the Voltage Drop across the resistor with the known Resistance.
MFPR supports Current Shunt Resistors with various specifications for different applications.
Similar circuit designs can have very different resistor electrical and mechanical profile requirements. Please feel free to send your application details to us for a resistor suggestion and quotation.
There are more resistor application suggestions on the Technical Consideration page.
Our average production lead time is about 1 – 3 weeks, depending on order quantity, material and production status.
Accept small, bulk quantity orders and PayPal.
Shunt Resistors SR-1 : 1A – 125A
Voltage/ Current |
Dimensions in mm |
Screw size in mm | Weight
in g |
|||||||
L1 +/-1.0 | L2 +/-1.0 | L3 +/-1.0 | W +/-1.0 | H1 +/-0.5 | H2 +/-0.5 | M1 | M2 | M3 | ||
50mV : 1A to 125A | 135 | 110 | 72 | 30 | 24 | 10 | 3 | 6 | 6 | 140 |
60mV : 1A to 125A | 150 | 125 | 84 | 30 | 30 | 16 | 3 | 6 | 6 | 140 |
75mV : 1A to 125A | 150 | 125 | 88 | 30 | 30 | 16 | 3 | 6 | 6 | 140 |
Resistor sizes might vary depending on the resistance and current ratings.
Shunt Resistors SR-2 : 150A – 200A
Voltage/ Current |
Dimensions in mm |
Screw size in mm | Weight
in g |
|||||||
L1 +/-1.0 | L2 +/-1.0 | L3 +/-1.0 | W +/-1.0 | H1 +/-0.5 | H2 +/-0.5 | M1 | M2 | M3 | ||
50mV : 150A to 200A | 135 | 110 | 68 | 30 | 25 | 10 | 3 | 8 | 6 | 245 |
60mV : 150A to 200A | 150 | 125 | 80 | 30 | 31 | 16 | 3 | 8 | 6 | 260 |
75mV : 150A to 200A | 150 | 125 | 84 | 30 | 31 | 16 | 3 | 8 | 6 | 265 |
100mV : 150A to 200A | 170 | 150 | 105 | 30 | 31 | 16 | 3 | 8 | 6 | 270 |
Resistor sizes might vary depending on the resistance and current ratings.
Shunt Resistors SR-3 : 250A – 600A
Voltage | Current | Dimensions in mm | Screw size in mm | Weight in g | ||||
L1 +/-1.0 | L2 +/-1.0 | W +/-1.0 | H +/-0.5 | M1 | M2 | |||
50mV | 250 – 300A | 117 | 86 | 35 | 18.5 | 4 | 13 | 430 |
400A | 117 | 86 | 44 | 18.5 | 4 | 13 | 530 | |
500A | 117 | 86 | 55 | 18.5 | 4 | 13 | 640 | |
600A | 123 | 90 | 55 | 21 | 4 | 13 | 830 | |
60mV | 250 – 300A | 126 | 96 | 35 | 18.5 | 4 | 13 | 430 |
400A | 126 | 96 | 44 | 18.5 | 4 | 13 | 530 | |
500A | 126 | 96 | 55 | 18.5 | 4 | 13 | 650 | |
600A | 132 | 98 | 55 | 21 | 4 | 13 | 830 | |
75mV | 250 – 300A | 138 | 107 | 35 | 18.5 | 4 | 13 | 430 |
400A | 138 | 107 | 44 | 18.5 | 4 | 13 | 530 | |
500A | 138 | 107 | 55 | 18.5 | 4 | 13 | 650 | |
600A | 144 | 111 | 55 | 21 | 4 | 13 | 840 |
Resistor sizes might vary depending on the resistance and current ratings.
Shunt Resistors SR-4 : 750A – 1500A
Voltage | Current | Dimensions in mm | Screw size in mm | Weight in kg | |||||
L1 +/-1.0 | L2 +/-1.0 | W1 +/-1.0 | W2 +/-1.0 | H +/-0.5 | M | M2 | |||
50mV | 750A – 800A | 123 | 90 | 70 | 35 | 21 | 4 | 13 | 1.0 |
1000A | 163 | 122 | 70 | 35 | 21 | 4 | 13 | 1.5 | |
1200A | 165 | 124 | 85 | 45 | 21 | 4 | 13 | 1.8 | |
1500A | 163 | 122 | 100 | 49 | 21 | 4 | 13 | 2.2 | |
60mV | 750A – 800A | 132 | 98 | 70 | 35 | 21 | 4 | 13 | 1.1 |
1000A | 172 | 131 | 70 | 35 | 21 | 4 | 13 | 1.6 | |
1200A | 174 | 133 | 85 | 45 | 21 | 4 | 13 | 1.9 | |
1500A | 172 | 131 | 100 | 49 | 21 | 4 | 13 | 2.3 | |
75mV | 750A – 800A | 144 | 111 | 70 | 35 | 21 | 4 | 13 | 1.1 |
1000A | 185 | 145 | 70 | 35 | 21 | 4 | 13 | 1.7 | |
1200A | 187 | 148 | 85 | 45 | 21 | 4 | 13 | 1.9 | |
1500A | 185 | 145 | 100 | 49 | 21 | 4 | 13 | 2.4 |
Resistor sizes might vary depending on the resistance and current ratings.
Shunt Resistors SR-5 : 2000A – 2500A
Voltage | Current | Dimensions in mm | Screw size in mm | Weight in kg | ||||||
L1 +/-1.0 | L2 +/-1.0 | L3 +/-1.0 | W1 +/-1.0 | W2 +/-1.0 | H +/-0.5 | M1 | M2 | |||
50mV | 2000A | 190 | 162 | 37 | 100 | 50 | 39 | 4 | 13 | 4.7 |
2500A | 190 | 162 | 37 | 110 | 55 | 39 | 4 | 13 | 5.1 | |
60mV | 2000A | 199 | 170 | 37 | 100 | 50 | 39 | 4 | 13 | 4.7 |
2500A | 199 | 170 | 37 | 110 | 55 | 39 | 4 | 13 | 5.2 | |
75mV | 2000A | 212 | 184 | 37 | 100 | 50 | 39 | 4 | 13 | 4.8 |
2500A | 212 | 184 | 37 | 110 | 55 | 39 | 4 | 13 | 5.3 |
Resistor sizes might vary depending on the resistance and current ratings.
Shunt Resistors SR-6 : 3000A – 6000A
Voltage | Current | Dimensions in mm | Screw size in mm | Weight in kg | ||||||||
L1 +/-1.0 | L2 +/-1.0 | L3 +/-1.0 | L4 +/-1.0 | W1 +/-1.0 | W2 +/-1.0 | H1 +/-0.5 | H2 +/-0.5 | M1 | M2 | |||
50mV | 3000A | 273 | 232 | 45 | 90 | 105 | 55 | 63 | 26 | 4 | 13 | 7.6 |
4000A | 273 | 232 | 45 | 90 | 125 | 76 | 63 | 26 | 4 | 13 | 9.0 | |
5000A | 289 | 294 | 50 | 98 | 126 | 70 | 100 | 37 | 4 | 16.5 | 12.5 | |
6000A | 289 | 294 | 50 | 98 | 135 | 80 | 100 | 37 | 4 | 16.5 | 14.5 | |
60mV | 3000A | 281 | 241 | 45 | 90 | 105 | 55 | 63 | 26 | 4 | 13 | 7.7 |
4000A | 281 | 241 | 45 | 90 | 125 | 76 | 63 | 26 | 4 | 13 | 9.1 | |
5000A | 298 | 258 | 50 | 98 | 126 | 70 | 100 | 37 | 4 | 16.5 | 12.5 | |
6000A | 298 | 258 | 50 | 98 | 135 | 80 | 100 | 37 | 4 | 16.5 | 14.5 | |
75mV | 3000A | 298 | 255 | 45 | 90 | 105 | 55 | 63 | 26 | 4 | 13 | 7.8 |
4000A | 298 | 255 | 45 | 90 | 125 | 76 | 63 | 26 | 4 | 13 | 9.2 | |
5000A | 313 | 273 | 50 | 98 | 126 | 70 | 100 | 37 | 4 | 16.5 | 12.5 | |
6000A | 313 | 273 | 50 | 98 | 135 | 80 | 100 | 37 | 4 | 16.5 | 14.5 |
Resistor sizes might vary depending on the resistance and current ratings.