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Accurate current measurement is essential for effective electrical system monitoring and protection. At Blackhawk Supply, we stock a comprehensive range of current transformers (CTs) engineered to step down high electrical currents into manageable signals for metering, protective relaying and control applications.

From split core current transformers that install without circuit interruption to solid core models delivering precision measurement, our CT inventory supports the diverse requirements of industrial facilities, commercial buildings and renewable energy installations.

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AC Current Transformers

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Split Core Current Transformers

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CR Magnetics CR5ARL-201 AC Current Transformer | ANSI Metering Class | Donut Style | 2' Fly Leads 16AWG | 0 - 200 AAC Input Range | 0 - 5AAC Output Range | 1.56" ID | Blackhawk Supply

CR5ARL-201 | AC Current Transformer | ANSI Metering Class | Donut Style | 2' Fly Leads 16AWG | 0 - 200 AAC Input Range | 0 - 5AAC Output Range | 1.56" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR5ARL-201

CR Magnetics CR5211-20 DC Current Transducer | Solid Core | Single Element | DC Frequency | >=2K Output Load | 24 VDC +/-10% | 0-20 ADC Input Range | +/-10 VDC Output Range | 0.79" ID | Blackhawk Supply

CR5211-20 | DC Current Transducer | Solid Core | Single Element | DC Frequency | >=2K Output Load | 24 VDC + / -10% | 0-20 ADC Input Range | + / -10 VDC Output Range | 0.79" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR5211-20

CR Magnetics CR2RL-251 AC Current Transformer | Commerical Grade | Donut Style | 2' Fly Leads 16AWG | 0 - 250 AAC Input Range | 0 - 5AAC Output Range | 1.13" ID | Blackhawk Supply

CR2RL-251 | AC Current Transformer | Commerical Grade | Donut Style | 2' Fly Leads 16AWG | 0 - 250 AAC Input Range | 0 - 5AAC Output Range | 1.13" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR2RL-251

CR Magnetics CR5RL-201 AC Current Transformer | Commerical Grade | Donut Style | 2' Fly Leads 16AWG | 0 - 200 AAC Input Range | 0 - 5AAC Output Range | 1.56" ID | Blackhawk Supply

CR5RL-201 | AC Current Transformer | Commerical Grade | Donut Style | 2' Fly Leads 16AWG | 0 - 200 AAC Input Range | 0 - 5AAC Output Range | 1.56" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR5RL-201

CR Magnetics CR5210-100 DC Current Transducer | Soild Core | Single Element | DC Frequency | >=2K Output Load | 24 VDC +/-10% | +/- 0-100 ADC Input Range | +/-5 VDC Output Range | 0.79" ID | Blackhawk Supply

CR5210-100 | DC Current Transducer | Soild Core | Single Element | DC Frequency | >=2K Output Load | 24 VDC + / -10% | + / - 0-100 ADC Input Range | + / -5 VDC Output Range | 0.79" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR5210-100

CR Magnetics CR5211-75 DC Current Transducer | Solid Core | Single Element | DC Frequency | >=2K Output Load | 24 VDC +/-10% | 0-75 ADC Input Range | +/-10 VDC Output Range | 0.79" ID | Blackhawk Supply

CR5211-75 | DC Current Transducer | Solid Core | Single Element | DC Frequency | >=2K Output Load | 24 VDC + / -10% | 0-75 ADC Input Range | + / -10 VDC Output Range | 0.79" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR5211-75

CR Magnetics CR2RL-301 AC Current Transformer | Commerical Grade | Donut Style | 2' Fly Leads 16AWG | 0 - 300 AAC Input Range | 0 - 5AAC Output Range | 1.13" ID | Blackhawk Supply

CR2RL-301 | AC Current Transformer | Commerical Grade | Donut Style | 2' Fly Leads 16AWG | 0 - 300 AAC Input Range | 0 - 5AAC Output Range | 1.13" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR2RL-301

CR Magnetics CR4110-10 True RMS AC Current Transducer | Single Element | Solid Core | 20 Hz - 5 KHz | >= 2K Output Load | 24 VDC +/- 10% | 0-10 AAC Input Range | 0 - 5 VDC Output Range | 0.79" ID | Blackhawk Supply

CR4110-10 | True RMS AC Current Transducer | Single Element | Solid Core | 20 Hz - 5 KHz | >= 2K Output Load | 24 VDC + / - 10% | 0-10 AAC Input Range | 0 - 5 VDC Output Range | 0.79" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR4110-10

CR Magnetics MODEL 18-600 General Purpose Wire Lead Current Transformer | Solid Core | 605 Turns | 5.0 Vmax RMS | 100 Arms Maximum Input Current Range | 0.55" ID | Blackhawk Supply

MODEL 18-600 | General Purpose Wire Lead Current Transformer | Solid Core | 605 Turns | 5.0 Vmax RMS | 100 Arms Maximum Input Current Range | 0.55" ID | CR Magnetics

Brand: CR Magnetics

SKU: MODEL 18-600

CR Magnetics CR5SFT-101 AC Current Transformer | Commerical Grade | Mounting Case | (2) Terminals #8-32 | 0 - 100 AAC Input Range | 0 - 5AAC Output Range | 1.56" ID | Blackhawk Supply

CR5SFT-101 | AC Current Transformer | Commerical Grade | Mounting Case | (2) Terminals #8-32 | 0 - 100 AAC Input Range | 0 - 5AAC Output Range | 1.56" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR5SFT-101

CR Magnetics CR5ASFT-251 AC Current Transformer | ANSI Metering Class | Mounting Case | (2) Terminals #8-32 | 0 - 250 AAC Input Range | 0 - 5AAC Output Range | 1.56" ID | Blackhawk Supply

CR5ASFT-251 | AC Current Transformer | ANSI Metering Class | Mounting Case | (2) Terminals #8-32 | 0 - 250 AAC Input Range | 0 - 5AAC Output Range | 1.56" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR5ASFT-251

CR Magnetics CR5220-50 DC Current Transducer | Solid Core | Single Element | DC Frequency 0 - 500 Output Load | 24 VDC +/-10% | 0-50 ADC Input Range | 4 - 20 mADC Output Range | 0.79" ID | Blackhawk Supply

CR5220-50 | DC Current Transducer | Solid Core | Single Element | DC Frequency 0 - 500 Output Load | 24 VDC + / -10% | 0-50 ADC Input Range | 4 - 20 mADC Output Range | 0.79" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR5220-50

CR Magnetics CR5211-100 DC Current Transducer | Solid Core | Single Element | DC Frequency | >=2K Output Load | 24 VDC +/-10% | 0-100 ADC Input Range | +/-10 VDC Output Range | 0.79" ID | Blackhawk Supply

CR5211-100 | DC Current Transducer | Solid Core | Single Element | DC Frequency | >=2K Output Load | 24 VDC + / -10% | 0-100 ADC Input Range | + / -10 VDC Output Range | 0.79" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR5211-100

CR Magnetics CR5211-2 DC Current Transducer | Solid Core | Single Element | DC Frequency | >=2K Output Load | 24 VDC +/-10% | 0-2 ADC Input Range | +/-10 VDC Output Range | 0.79" ID | Blackhawk Supply

CR5211-2 | DC Current Transducer | Solid Core | Single Element | DC Frequency | >=2K Output Load | 24 VDC + / -10% | 0-2 ADC Input Range | + / -10 VDC Output Range | 0.79" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR5211-2

CR Magnetics CR7SFT-101 AC Current Transformer | Commerical Grade | Mounting Case | (2) Terminals #8-32 | 0 - 100 AAC Input Range | 0 - 5AAC Output Range | 2.5" ID | Blackhawk Supply

CR7SFT-101 | AC Current Transformer | Commerical Grade | Mounting Case | (2) Terminals #8-32 | 0 - 100 AAC Input Range | 0 - 5AAC Output Range | 2.5" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR7SFT-101

CR Magnetics CR7SFT-801 AC Current Transformer | Commerical Grade | Mounting Case | (2) Terminals #8-32 | 0 - 800 AAC Input Range | 0 - 5AAC Output Range | 2.5" ID | Blackhawk Supply

CR7SFT-801 | AC Current Transformer | Commerical Grade | Mounting Case | (2) Terminals #8-32 | 0 - 800 AAC Input Range | 0 - 5AAC Output Range | 2.5" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR7SFT-801

CR Magnetics MODEL 17-1000 General Purpose Wire Lead Current Transformer | Solid Core | 1000 Turns | 7.5 Vmax RMS | 200 Arms Maximum Input Current Range | 0.55" ID | Blackhawk Supply

MODEL 17-1000 | General Purpose Wire Lead Current Transformer | Solid Core | 1000 Turns | 7.5 Vmax RMS | 200 Arms Maximum Input Current Range | 0.55" ID | CR Magnetics

Brand: CR Magnetics

SKU: MODEL 17-1000

CR Magnetics CR5410-30 AC/DC Hall Effect Current Transducer | Solid Core | Single Element | DC - 4 KHz | >=2K Output Load | 24 VDC +/-10% | +/-30 AAC/ADC Input Range | +/-5 VAC/VDC Output Range | 0.79" ID | Blackhawk Supply

CR5410-30 | AC / DC Hall Effect Current Transducer | Solid Core | Single Element | DC - 4 KHz | >=2K Output Load | 24 VDC + / -10% | + / -30 AAC / ADC Input Range | + / -5 VAC / VDC Output Range | 0.79" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR5410-30

CR Magnetics MODEL 17-2000 General Purpose Wire Lead Current Transformer | Solid Core | 2000 Turns | 10.0 Vmax RMS | 200 Arms Maximum Input Current Range | 0.55" ID | Blackhawk Supply

MODEL 17-2000 | General Purpose Wire Lead Current Transformer | Solid Core | 2000 Turns | 10.0 Vmax RMS | 200 Arms Maximum Input Current Range | 0.55" ID | CR Magnetics

Brand: CR Magnetics

SKU: MODEL 17-2000

CR Magnetics CR5210-75 DC Current Transducer | Soild Core | Single Element | DC Frequency | >=2K Output Load | 24 VDC +/-10% | +/- 0-75 ADC Input Range | +/-5 VDC Output Range | 0.79" ID | Blackhawk Supply

CR5210-75 | DC Current Transducer | Soild Core | Single Element | DC Frequency | >=2K Output Load | 24 VDC + / -10% | + / - 0-75 ADC Input Range | + / -5 VDC Output Range | 0.79" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR5210-75

CR Magnetics MODEL 19 General Purpose Wire Lead Current Transformer | Solid Core | 235 Turns | 2.0 Vmax RMS | 25 Arms Maximum Input Current Range | 0.29" ID | Blackhawk Supply

MODEL 19 | General Purpose Wire Lead Current Transformer | Solid Core | 235 Turns | 2.0 Vmax RMS | 25 Arms Maximum Input Current Range | 0.29" ID | CR Magnetics

Brand: CR Magnetics

SKU: MODEL 19

CR Magnetics CR5SFT-151 AC Current Transformer | Commerical Grade | Mounting Case | (2) Terminals #8-32 | 0 - 150 AAC Input Range | 0 - 5AAC Output Range | 1.56" ID | Blackhawk Supply

CR5SFT-151 | AC Current Transformer | Commerical Grade | Mounting Case | (2) Terminals #8-32 | 0 - 150 AAC Input Range | 0 - 5AAC Output Range | 1.56" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR5SFT-151

CR Magnetics CR5RL-500 AC Current Transformer | Commerical Grade | Donut Style | 2' Fly Leads 16AWG | 0 - 50 AAC Input Range | 0 - 5AAC Output Range | 1.56" ID | Blackhawk Supply

CR5RL-500 | AC Current Transformer | Commerical Grade | Donut Style | 2' Fly Leads 16AWG | 0 - 50 AAC Input Range | 0 - 5AAC Output Range | 1.56" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR5RL-500

CR Magnetics CR7SFT-152 AC Current Transformer | Commerical Grade | Mounting Case | (2) Terminals #8-32 | 0 - 1500 AAC Input Range | 0 - 5AAC Output Range | 2.5" ID | Blackhawk Supply

CR7SFT-152 | AC Current Transformer | Commerical Grade | Mounting Case | (2) Terminals #8-32 | 0 - 1500 AAC Input Range | 0 - 5AAC Output Range | 2.5" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR7SFT-152

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