RCT-4800-000 Rogowski Coil


The Magnelab RCT-4800 is a single-phase flexible Rogowski coil (Rope CT) that measures AC current up to 15,000 amps with an output of 0.333 Vac (with integrator).


RCT-4800-000 Rogowski Coil

RopeCT 0.070 Vac Output at 1,000A – 16 inch Diameter Rope CT

RCT-4800-000 Rogowski Coil is a single-phase flexible Rogowski coil (Rope CT) that measures AC current up to 15,000 amps with an output of 0.333 Vac (with integrator). Additionally, the coil’s accuracy leads the industry with 0.5% linearity accuracy. The coil provides an output of 0.070 volts AC at 1000 amps through the primary when operating at 60Hz (at 50 Hz the output is 58.33 mV per 1000 A). Furthermore, it has a 48″ length, 16″ diameter and is extremely flexible.

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RCT-4800-000 Rogowski Coil

The flexible Rogowski coil opens at the connector junction and may be installed on a bus bar or existing cable in a matter of seconds.  The RCT-4800-000 is sold without the optional integrator. However, you may purchase this coil with a single-phase integrator, see the RCT-4800-250 through RCT-4800-3000. For areas with limited space, you may purchase a uniquely shaped version of the RCT-4800 (RCT-900T), also known as a ‘tear drop’ because of its shape.

It may also be purchased with or without an integrator. You may buy the coils individually, or also as part of the RCS-4800 three-phase flexible AC current sensor system that integrates multiple coils with an output of 0.333 volt AC and includes an integrator and power supply.

Most Common Uses for the Flexible Rogowski Coil

The linearity accuracy of the RCT-4800 is 0.5%. It is important to know your measuring needs so that you include the right integrator. The coil itself does not require an external power supply; however, the integrator requires between 12 and 30V AC or DC. This may be purchased from Magnelab as a separate option. If you intend to use your RCT-4800 with certain power meters, you will not need an integrator. These meters have a built-in integrator designed to work with Magnelab coils.  This device is most commonly used in power meters, energy sub meters, condition monitoring, power quality monitoring and distributed measurement systems. It is fully UL, CSA and RoHS compliant, as well as meeting CE and ISO standards. This product is made in the USA.


  • Rated input from 250 amps to 15,000 amps
  • Output of 0.070 volts per 1,000 amps (coil alone)
  • Output of 0.333 volts with optional integrator
  • Linearity Accuracy 0.5%
  • Custom diameters, output, and other parameters are available
  • UL Recognized

Additional information

Product Type

Rogowski Coil, Rope CT's




0.333 Volt

Amp Rating


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