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Current Transducer Flexible Rogowsky 0.5% Current Sensor Rogowski Coil Current Transformer
Current Transducer Flexible Rogowsky 0.5% Current Sensor Rogowski Coil Current Transformer
Current Transducer Flexible Rogowsky 0.5% Current Sensor Rogowski Coil Current Transformer
Current Transducer Flexible Rogowsky 0.5% Current Sensor Rogowski Coil Current Transformer
Current Transducer Flexible Rogowsky 0.5% Current Sensor Rogowski Coil Current Transformer
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Current Transducer Flexible Rogowsky 0.5% Current Sensor Rogowski Coil Current Transformer
Current Transducer Flexible Rogowsky 0.5% Current Sensor Rogowski Coil Current Transformer
Current Transducer Flexible Rogowsky 0.5% Current Sensor Rogowski Coil Current Transformer
Current Transducer Flexible Rogowsky 0.5% Current Sensor Rogowski Coil Current Transformer
Current Transducer Flexible Rogowsky 0.5% Current Sensor Rogowski Coil Current Transformer

Current Transducer Flexible Rogowsky 0.5% Current Sensor Rogowski Coil Current Transformer

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Product Description

Flexible Rogowski Coil Sensor

NRC Series Flexible Rogowski Coil

The NRC series is a new generation of flexible Rogowski coil current sensors, especially suitable for measurement in combination with portable devices. These coils come in various sizes to accommodate different conductors. This new generation features an enhanced shielding layer, greatly reducing the influence of external magnetic fields. It can be directly connected to rail-mounted and panel-type meters without requiring external integrators. With an IP68 protection grade, the NRC series is exceptionally suited for outdoor environments.

Ø8 screw type flexible Rogowski coil

Technical Specifications

Model NO.
NRC-80
Material
Metal & Thermoplastic
Accuracy Grade
0.5G
IP Rating
IP67 / IP68
Certification
CE, RoHS 2.0
Window Size
100, 150, 200mm
Rated Current
1000A, 3000A, 6000A
Current Range
0.5-100kA AC
Bandwidth
1Hz to 100kHz (-3dB)
Operating Temp
-40℃ to 85℃
Linearity
±0.2% of Reading
Production Capacity
50,000 PCS/Month

Key Applications

  • Smart meter and Power quality analysis
  • Rectifier current measurement
  • Motor overload/short circuit protection
  • Welding machine current monitoring
  • Medium and high voltage switchgear protection
  • Remote Terminal Units (RTU) & PMU
  • Electric furnace secondary side measurement

Core Advantages

  • Excellent linearity & Wide dynamic range
  • Not damaged by large overloads
  • Excellent external magnetic field rejection
  • No danger from open-circuited secondary
  • Zero power consumption
  • Soft, light, and easy to install
  • Long-term stability & IP68 protection
Application Detail 1 Application Detail 2

Detailed Specifications

Parameter Value (at 25ºC, RL = 100 kΩ)
Reference Rated Current 100A, 600A, 3000A, 6000A... (Unlimited)
Ratio @50Hz Calibrated 22.5mV/kA, 50mV/kA, 85mV/kA, 100mV/kA...
Uncalibrated 56mV/kA, 95mV/kA, 108mV/kA...
Read Accuracy 0.5% class (Vertically centered)
Phase Error ≤ 0.5° (45Hz ~ 65Hz)
Linearity ± 0.1% (1% ~ 100%)
Dielectric Strength 7400Vac @ 50/60Hz, 1 minute
Insulation Coordination 1000V CATIII, 600V CATIV

Materials & Construction

Coil & Cable Thermoplastic rubber, flame retardant UL 94 V-0 rated
Couplings PC, ABS, UL 94 V-0 rated
Available Colors Orange, Yellow, Red, Green, Blue, Grey
Sensor View 1 Sensor View 2 Sensor View 3
Dimension View Testing View
Installation Guide Product Packaging

Frequently Asked Questions

What is the accuracy of the NRC-80 Rogowski coil?
The NRC-80 features a read accuracy of 0.5% class when the conductor is in the vertically centered position, with a linearity of ±0.2% of the reading.
Can this current sensor be used outdoors?
Yes, the NRC series is designed with an IP68 protection level, making it extremely durable and suitable for long-term outdoor use and harsh environments.
What is the maximum current the NRC series can measure?
The NRC series has a very wide dynamic range, capable of measuring AC currents from as low as 0.5A up to 100kA.
Does the coil require an external power source?
The Rogowski coil itself has zero power consumption. However, depending on your secondary equipment, it can be directly connected to compatible rail-mounted or panel meters without external integrators.
Are there different color options available for the coils?
Yes, the coils are available in several colors including Orange, Yellow, Red, Green, Blue, and Grey to help with phase identification and installation requirements.
Is the NRC-80 coil safe from open-circuit issues?
Absolutely. Unlike traditional current transformers, there is no danger from an open-circuited secondary with Rogowski coils, ensuring high safety during installation and maintenance.

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