Current transformers Solid core Current core

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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 CR4111-40 True RMS AC Current Transducer | Single Element | Solid Core | 20 Hz - 5 KHz | >= 2K Output Load | 24 VDC +/-10% | 0-40 AAC Input Range | 0 - 10 VDC Output Range | 0.79" ID | Blackhawk Supply

CR4111-40 | True RMS AC Current Transducer | Single Element | Solid Core | 20 Hz - 5 KHz | >= 2K Output Load | 24 VDC + / -10% | 0-40 AAC Input Range | 0 - 10 VDC Output Range | 0.79" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR4111-40

CR Magnetics CR2DARL-101 AC Current Transformer | ANSI Metering Class | Donut Style | 2' Fly Leads 16AWG | 0 - 100 AAC Input Range | 0 - 5AAC Output Range | 1.00" ID | Blackhawk Supply

CR2DARL-101 | AC Current Transformer | ANSI Metering Class | Donut Style | 2' Fly Leads 16AWG | 0 - 100 AAC Input Range | 0 - 5AAC Output Range | 1.00" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR2DARL-101

CR Magnetics CR2RL-101 AC Current Transformer | Commerical Grade | Donut Style | 2' Fly Leads 16AWG | 0 - 100 AAC Input Range | 0 - 5AAC Output Range | 1.13" ID | Blackhawk Supply

CR2RL-101 | AC Current Transformer | Commerical Grade | Donut Style | 2' Fly Leads 16AWG | 0 - 100 AAC Input Range | 0 - 5AAC Output Range | 1.13" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR2RL-101

CR Magnetics CR2RL-500 AC Current Transformer | Commerical Grade | Donut Style | 2' Fly Leads 16AWG | 0 - 50 AAC Input Range | 0 - 5AAC Output Range | 1.13" ID | Blackhawk Supply

CR2RL-500 | AC Current Transformer | Commerical Grade | Donut Style | 2' Fly Leads 16AWG | 0 - 50 AAC Input Range | 0 - 5AAC Output Range | 1.13" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR2RL-500

CR Magnetics CR4150-30 True RMS AC Current Transducer | 2 Element | Solid Core | 20 Hz - 5 KHz | >= 2K Output Load | 24 VDC +/-10% | 0-30 AAC Input Range | 0 - 5 VDC Output Range | 0.26" ID | Blackhawk Supply

CR4150-30 | True RMS AC Current Transducer | 2 Element | Solid Core | 20 Hz - 5 KHz | >= 2K Output Load | 24 VDC + / -10% | 0-30 AAC Input Range | 0 - 5 VDC Output Range | 0.26" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR4150-30

CR Magnetics CR2SFT-101 AC Current Transformer | Commerical Grade | Mounting Case | (2) Terminals #8-32 | 0 - 100 AAC Input Range | 0 - 5AAC Output Range | 1.13" ID | Blackhawk Supply

CR2SFT-101 | AC Current Transformer | Commerical Grade | Mounting Case | (2) Terminals #8-32 | 0 - 100 AAC Input Range | 0 - 5AAC Output Range | 1.13" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR2SFT-101

CR Magnetics CR2RL-121 AC Current Transformer | Commerical Grade | Donut Style | 2' Fly Leads 16AWG | 0 - 120 AAC Input Range | 0 - 5AAC Output Range | 1.13" ID | Blackhawk Supply

CR2RL-121 | AC Current Transformer | Commerical Grade | Donut Style | 2' Fly Leads 16AWG | 0 - 120 AAC Input Range | 0 - 5AAC Output Range | 1.13" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR2RL-121

CR Magnetics CR2SFT-121 AC Current Transformer | Commerical Grade | Mounting Case | (2) Terminals #8-32 | 0 - 120 AAC Input Range | 0 - 5AAC Output Range | 1.13" ID | Blackhawk Supply

CR2SFT-121 | AC Current Transformer | Commerical Grade | Mounting Case | (2) Terminals #8-32 | 0 - 120 AAC Input Range | 0 - 5AAC Output Range | 1.13" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR2SFT-121

CR Magnetics CR2RL-600 AC Current Transformer | Commerical Grade | Donut Style | 2' Fly Leads 16AWG | 0 - 60 AAC Input Range | 0 - 5AAC Output Range | 1.13" ID | Blackhawk Supply

CR2RL-600 | AC Current Transformer | Commerical Grade | Donut Style | 2' Fly Leads 16AWG | 0 - 60 AAC Input Range | 0 - 5AAC Output Range | 1.13" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR2RL-600

CR Magnetics CR2SFT-201 AC Current Transformer | Commerical Grade | Mounting Case | (2) Terminals #8-32 | 0 - 200 AAC Input Range | 0 - 5AAC Output Range | 1.13" ID | Blackhawk Supply

CR2SFT-201 | AC Current Transformer | Commerical Grade | Mounting Case | (2) Terminals #8-32 | 0 - 200 AAC Input Range | 0 - 5AAC Output Range | 1.13" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR2SFT-201

CR Magnetics CR2SFT-750 AC Current Transformer | Commerical Grade | Mounting Case | (2) Terminals #8-32 | 0 - 75 AAC Input Range | 0 - 5AAC Output Range | 1.13" ID | Blackhawk Supply

CR2SFT-750 | AC Current Transformer | Commerical Grade | Mounting Case | (2) Terminals #8-32 | 0 - 75 AAC Input Range | 0 - 5AAC Output Range | 1.13" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR2SFT-750

CR Magnetics CR2RL-750 AC Current Transformer | Commerical Grade | Donut Style | 2' Fly Leads 16AWG | 0 - 75 AAC Input Range | 0 - 5AAC Output Range | 1.13" ID | Blackhawk Supply

CR2RL-750 | AC Current Transformer | Commerical Grade | Donut Style | 2' Fly Leads 16AWG | 0 - 75 AAC Input Range | 0 - 5AAC Output Range | 1.13" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR2RL-750

CR Magnetics CR5RL-151 AC Current Transformer | Commerical Grade | Donut Style | 2' Fly Leads 16AWG | 0 - 150 AAC Input Range | 0 - 5AAC Output Range | 1.56" ID | Blackhawk Supply

CR5RL-151 | AC Current Transformer | Commerical Grade | Donut Style | 2' Fly Leads 16AWG | 0 - 150 AAC Input Range | 0 - 5AAC Output Range | 1.56" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR5RL-151

CR Magnetics CR7SFT-201 AC Current Transformer | Commerical Grade | Mounting Case | (2) Terminals #8-32 | 0 - 200 AAC Input Range | 0 - 5AAC Output Range | 2.5" ID | Blackhawk Supply

CR7SFT-201 | AC Current Transformer | Commerical Grade | Mounting Case | (2) Terminals #8-32 | 0 - 200 AAC Input Range | 0 - 5AAC Output Range | 2.5" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR7SFT-201

CR Magnetics CR5411-50 AC/DC Hall Effect Current Transducer | Solid Core | Single Element | DC - 4 KHz | >=2K Output Load | 24 VDC +/-10% | +/-50 AAC/ADC Input Range | +/-10 VAC/VDC Output Range | 0.79" ID | Blackhawk Supply

CR5411-50 | AC / DC Hall Effect Current Transducer | Solid Core | Single Element | DC - 4 KHz | >=2K Output Load | 24 VDC + / -10% | + / -50 AAC / ADC Input Range | + / -10 VAC / VDC Output Range | 0.79" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR5411-50

CR Magnetics CR5RL-401 AC Current Transformer | Commerical Grade | Donut Style | 2' Fly Leads 16AWG | 0 - 400 AAC Input Range | 0 - 5AAC Output Range | 1.56" ID | Blackhawk Supply

CR5RL-401 | AC Current Transformer | Commerical Grade | Donut Style | 2' Fly Leads 16AWG | 0 - 400 AAC Input Range | 0 - 5AAC Output Range | 1.56" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR5RL-401

CR Magnetics CR4470-10 Average RMS AC Current Transducer | Solid Core | 3 Element | 50 Hz - 400 Hz | >= 2K Output Load | 24 VDC +/-10% | 0-10 AAC Input Range | 0 - 5 VDC Output Range | 0.26" ID | Blackhawk Supply

CR4470-10 | Average RMS AC Current Transducer | Solid Core | 3 Element | 50 Hz - 400 Hz | >= 2K Output Load | 24 VDC + / -10% | 0-10 AAC Input Range | 0 - 5 VDC Output Range | 0.26" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR4470-10

CR Magnetics CR7ARL-801 AC Current Transformer | ANSI Metering Class | Donut Style | 2' Fly Leads 16AWG | 0 - 800 AAC Input Range | 0 - 5AAC Output Range | 2.5" ID | Blackhawk Supply

CR7ARL-801 | AC Current Transformer | ANSI Metering Class | Donut Style | 2' Fly Leads 16AWG | 0 - 800 AAC Input Range | 0 - 5AAC Output Range | 2.5" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR7ARL-801

CR Magnetics CR5RL-102 AC Current Transformer | Commerical Grade | Donut Style | 2' Fly Leads 16AWG | 0 - 1000 AAC Input Range | 0 - 5AAC Output Range | 1.56" ID | Blackhawk Supply

CR5RL-102 | AC Current Transformer | Commerical Grade | Donut Style | 2' Fly Leads 16AWG | 0 - 1000 AAC Input Range | 0 - 5AAC Output Range | 1.56" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR5RL-102

CR Magnetics CR5SFT-751 AC Current Transformer | Commerical Grade | Mounting Case | (2) Terminals #8-32 | 0 - 750 AAC Input Range | 0 - 5AAC Output Range | 1.56" ID | Blackhawk Supply

CR5SFT-751 | AC Current Transformer | Commerical Grade | Mounting Case | (2) Terminals #8-32 | 0 - 750 AAC Input Range | 0 - 5AAC Output Range | 1.56" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR5SFT-751

CR Magnetics CR5SFT-401 AC Current Transformer | Commerical Grade | Mounting Case | (2) Terminals #8-32 | 0 - 400 AAC Input Range | 0 - 5AAC Output Range | 1.56" ID | Blackhawk Supply

CR5SFT-401 | AC Current Transformer | Commerical Grade | Mounting Case | (2) Terminals #8-32 | 0 - 400 AAC Input Range | 0 - 5AAC Output Range | 1.56" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR5SFT-401

CR Magnetics CR5SFT-750 AC Current Transformer | Commerical Grade | Mounting Case | (2) Terminals #8-32 | 0 - 75 AAC Input Range | 0 - 5AAC Output Range | 1.56" ID | Blackhawk Supply

CR5SFT-750 | AC Current Transformer | Commerical Grade | Mounting Case | (2) Terminals #8-32 | 0 - 75 AAC Input Range | 0 - 5AAC Output Range | 1.56" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR5SFT-750

CR Magnetics CR5411-20 AC/DC Hall Effect Current Transducer | Solid Core | Single Element | DC - 4 KHz | >=2K Output Load | 24 VDC +/-10% | +/-20 AAC/ADC Input Range | +/-10 VAC/VDC Output Range | 0.79" ID | Blackhawk Supply

CR5411-20 | AC / DC Hall Effect Current Transducer | Solid Core | Single Element | DC - 4 KHz | >=2K Output Load | 24 VDC + / -10% | + / -20 AAC / ADC Input Range | + / -10 VAC / VDC Output Range | 0.79" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR5411-20

CR Magnetics CR7ARL-152 AC Current Transformer | ANSI Metering Class | Donut Style | 2' Fly Leads 16AWG | 0 - 1500 AAC Input Range | 0 - 5AAC Output Range | 2.5" ID | Blackhawk Supply

CR7ARL-152 | AC Current Transformer | ANSI Metering Class | Donut Style | 2' Fly Leads 16AWG | 0 - 1500 AAC Input Range | 0 - 5AAC Output Range | 2.5" ID | CR Magnetics

Brand: CR Magnetics

SKU: CR7ARL-152

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