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ETCR300FA Flexible Coil Current Transformer, AC Current Sensor for Leakage and Harmonic Detection, Non Contact Toroidal Coil with 0.1Hz–1MHz Bandwidth for Electricians and Engineer in Saudi Arabia ETCR300FA Flexible Coil Current Transformer, AC Current Sensor for Leakage and Harmonic Detection, Non Contact Toroidal Coil with 0.1Hz–1MHz Bandwidth for Electricians and Engineer in Saudi Arabia ETCR300FA Flexible Coil Current Transformer, AC Current Sensor for Leakage and Harmonic Detection, Non Contact Toroidal Coil with 0.1Hz–1MHz Bandwidth for Electricians and Engineer in Saudi Arabia ETCR300FA Flexible Coil Current Transformer, AC Current Sensor for Leakage and Harmonic Detection, Non Contact Toroidal Coil with 0.1Hz–1MHz Bandwidth for Electricians and Engineer in Saudi Arabia ETCR300FA Flexible Coil Current Transformer, AC Current Sensor for Leakage and Harmonic Detection, Non Contact Toroidal Coil with 0.1Hz–1MHz Bandwidth for Electricians and Engineer in Saudi Arabia ETCR300FA Flexible Coil Current Transformer, AC Current Sensor for Leakage and Harmonic Detection, Non Contact Toroidal Coil with 0.1Hz–1MHz Bandwidth for Electricians and Engineer in Saudi Arabia ETCR300FA Flexible Coil Current Transformer, AC Current Sensor for Leakage and Harmonic Detection, Non Contact Toroidal Coil with 0.1Hz–1MHz Bandwidth for Electricians and Engineer in Saudi Arabia ETCR300FA Flexible Coil Current Transformer, AC Current Sensor for Leakage and Harmonic Detection, Non Contact Toroidal Coil with 0.1Hz–1MHz Bandwidth for Electricians and Engineer in Saudi Arabia ETCR300FA Flexible Coil Current Transformer, AC Current Sensor for Leakage and Harmonic Detection, Non Contact Toroidal Coil with 0.1Hz–1MHz Bandwidth for Electricians and Engineer in Saudi Arabia

ETCR300FA Flexible Coil Current Transformer, AC Current Sensor for Leakage and Harmonic Detection, Non Contact Toroidal Coil with 0.1Hz–1MHz Bandwidth for Electricians and Engineer

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Special Features

  • & Wide Range: The ETCR300FA flexible coil current transformer delivers extremely high linearity with almost zero phase error and no magnetic saturation, accurately measuring currents from milliamps to tens of thousands of amperes—ideal for precise diagnostics in demanding electrical environments.
  • Broad Frequency Response: With a response bandwidth of 0.1Hz to 1MHz, this AC current sensor captures high-order harmonic currents (up to 400th order), transient inrush currents, and complex waveforms, making the ETCR300FA essential for power quality analysis and advanced electrical testing.
  • Versatile Professional Use: Designed for electricians, engineers, and technicians, the ETCR300FA flexible coil current sensor detects AC leakage current, phase, power, energy, and power factor—perfect for maintenance, R&D, and troubleshooting in tight or crowded switchgear panels.
  • Safe Non Contact Design: Built with a toroidal coil wound on non ferromagnetic material and fully insulated handle, the ETCR300FA has no exposed metal conductors, enabling safe, non contact measurements even in confined or high density electrical installations without risk of short circuits.
  • Compact & Lightweight Build: The ETCR300FA flexible coil current sensor features a small, lightweight design that easily wraps around conductors in narrow spaces, offering portability and convenience without sacrificing performance—ideal for fieldwork and on site diagnostics.

Description

Item Type: Transformer
Model: ETCR300FA
Material: ABS
Purpose: It can be equipped with an integrator and is easy to integrate into other equipment, such as phase detection analyzers, industrial control devices, data loggers, oscilloscopes, harmonic analyzers, power quality analyzers, accuracy digital multimeters, transient shocks Recorders, distributed measurement systems, guard systems, etc.

Function AC leakage current, high current, high order harmonic current, complex waveform current, transient inrush current, phase, electric energy, power, power factor, etc. detection.
Detection Method Flexible coil CT: The output signal is the differentiation of current with to time. By integrating the output voltage signal, the input current can be truly restored.
Coil Diameter ΦApprox.7.5mm / 0.3in
Quantity Process 0A～10000A～Higher
Resolution 10mA
Accuracy Class ±1.0%FS (50Hz/60Hz; 23℃±2℃, Below 70%RH, the wire is at the center of the coil)
Phase Error 0.1°(50Hz/60Hz; 23℃±2℃)
Output Interface 3.5mm Audio Frequency Plug/BNC Plug/Tap (Optional), Cable Length Approx.2m / 6.6ft
Electric Field Interference No hysteresis effect, no interference from external electric field
Wire Position The tested wire is at the center of the coil, and the position error affects ±0.3%FS
Current Frequency 45Hz～70Hz (Frequency of Measured Current)
Response Frequency 0.1Hz～1MHz
Line Voltage Line Test Below AC 1000V
Working Temperature and Humidity -20℃～50℃; Below 80%Rh
Storage Temperature and Humidity -10℃～60℃; Below 70%Rh
Dielectric Strength AC 2000V/Rms (Both Ends of The Coil Unlocked and Expanded)
Suitable For Safety Regulations CAT IV 600V, CAT III 1000V

Package List：
1 x Transformer

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