Rogowski Coil Current Sensor, AC 200A-20000A

SKU: SUCH-ACC-R20000
$298.56
● Input current AC 200A-20000A ● Coil length 350/370/450/600mm ● 4-20mA output ● 24VDC power
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🚚 Free shipping
🕒 Delivery date: 6-12 days
🔁 30-day Returns
Overview

The Rogowski coil current sensor operates based on the principle of electromagnetic induction to perform real-time measurement of large AC currents in power grids. It utilizes true RMS and linear compensation technology to isolate and convert the current into a standard DC signal output. Powered by a safe DC 24V supply, SUCH current sensor has high accuracy, strong electrical isolation, enhanced safety, and low power consumption. It is widely applicable in industries such as metallurgy, electroplating, and welding.

Feature

  • Electromagnetic Induction Principle: AC current sensor utilizes the principle of electromagnetic induction to perform real-time measurement of large AC currents in power systems.
  • True RMS and Linear Compensation: Employs true RMS detection and linear compensation technology to accurately reflect actual current, even with distorted waveforms.
  • Isolated Signal Output: Converts the measured current into a standard DC output signal with high electrical isolation for enhanced safety.
  • Safe DC Power Supply: Operates on a safe DC 24V power supply, suitable for industrial environments with stringent safety requirements.
  • High Accuracy: Delivers precise current measurement over a wide dynamic range, ensuring reliable monitoring and control.
  • High Isolation: Effectively separates the primary current circuit from the output signal circuit, reducing interference and enhancing protection.
  • Low Power Consumption: Designed for energy efficiency with power consumption less than 0.5W, reducing thermal impact and improving durability.
  • Industrial-Grade Safety: Built to withstand harsh operating environments with robust insulation and overvoltage protection.
  • Wide Application Fields: Ideal for use in metallurgical equipment, electroplating power supplies, welding systems, and other high-current industrial applications.

Dimension

Rogowski coil current sensor size

Wiring

Rogowski coil current sensor wiring

Installation

Rogowski coil current sensor installation

Detail

Rogowski coil current sensor detail

Specs
Input Signal AC Current 200A–20kA
Output Nominal Value DC 4–20mA
Load Resistance ≤500Ω
Output Ripple Output ripple peak ≤100mV
Operating Power Supply DC 24V (Allowable range: 21.6V–26.4V)
Power Consumption ≤0.5W
Accuracy Class Class 0.5
Temperature Drift Coefficient ≤200ppm
Response Time ≤500ms
Installation Method Bracket mounting


Rogowski Coil Length

AC Current Input Range Rogowski Coil Length (mm)
AC 200A-1000A 350 mm
AC 1200A-2000A 370 mm
AC 2500A-5000A 450 mm
AC 6300A-20000A 600 mm
Application
Metallurgical equipment

Metallurgical Equipment

Electroplating power

Electroplating Power

Welding systems

Welding Systems

FAQ
 

A Rogowski Coil Current Sensor is a non-intrusive, flexible, air-cored coil used to measure alternating current (AC). It works on the principle of electromagnetic induction, detecting the rate of change of current (di/dt) and outputting a voltage proportional to that change, which is then integrated to reflect the actual current.

 
  • No magnetic core, so no saturation
  • Lightweight and flexible, ideal for retrofitting
  • Wide measurement range, suitable for very high currents
  • Excellent linearity and frequency response
  • Safer due to open-loop design with no risk of core burnout
 

It is designed to measure AC current only, including sinusoidal and non-sinusoidal waveforms (e.g., harmonics, transients, pulsed signals), making it ideal for modern power electronics.

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