High Accuracy IP68 Waterproof Rogowski Coil Best Electrical Transformer

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High Accuracy IP68 Waterproof Rogowski Coil Best Electrical Transformer

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Product Description

Basic Information

Model NO.

Y-FCT

Production Process

Integration

Material

Metal

Accuracy Grade

0.5G

IP Rating

IP68

Certification

Current Range(RMS)

0-100ka AC

Output Signal(Di/Dt)

85mv/Ka@50Hz, 100mv/Ka@50Hz

Linearity

±0.2% of Reading

Bandwidth (-3dB)

1Hz to 100kHz

HS Code

8504311000

Production Capacity

50000PCS/Month

Product Description

Ø8 Flexible Rogowski Coil

✔High linearity from 1A to 100kA
✔Wide dynamic range
✔Ideal for large or awkward shaped conductors
✔No danger from open-circuited secondary
✔Not damaged by large overloads
✔Non-intrusive, no power drawn from main

Features & Applications

Y-FCT is a flexible current transducer based on the Rogowski principle, particularly suitable for measurement in combination with portable devices. These coils are available in different sizes and can be used in applications where traditional transducers do not fit due to size or weight constraints.

The coil is provided with a shield against external magnetic fields, granting stable measurement from low currents to hundreds of kA. It must be connected to an electronic integrator for 90° phase shift compensation and frequency equalization.

What is a Rogowski coil?

Rogowski coils are air-cored coils placed around a conductor. The magnetic field produced by the current induces a voltage in the coil proportional to the rate of change of current. This voltage is integrated to produce an output proportional to the current. They offer advantages like high linearity, wide dynamic range, and are lightweight enough to be suspended on the conductor.

Technical Specifications

MODEL	Y-FCT-200	Y-FCT-350	Y-FCT-510	Y-FCT-800
Coil length	200mm	350mm	510mm	800mm
Window size	50mm	100mm	150mm	240mm
Rated current	600A	1000A	3000A	6000A
Coil Resistance	140 ±10Ω	210 ±10Ω	290 ±10Ω	430 ±10Ω
Weight	140g	150g	160g	180g
Read Accuracy	Calibrated <0.5% (central position, 25ºC)
Max Current	100kA
Bandwidth	1Hz to 100kHz (-3dB)

Materials & Safety

Coil & Cable	Thermoplastic rubber flame retardant UL 94 V-0 rated
Couplings	PA6 UL 94 V-O rated
Shielded	100% coil, 100% output cable
Certifications	CE, LVD EN 61010-1:2010, EMC EN 61326-1:2013
IP Rating	IP68
Voltage Insulation	Coil: 3000V; Signal cable: 1000V
Safety Category	1000V CATIII, 600V CATIV

Dimensions

Dimensions tolerance: A,B,C,F:±5mm, D:±0.2mm, E:±10mm

Dimensions(mm)	Y-FCT-200	Y-FCT-350	Y-FCT-510	Y-FCT-800
A. Windows size A	50	105	155	245
B. Windows size B	60	100	150	240
C. Coil O.D.	66	121	171	261
D. Coil section	8
E. Lead Cable Length	2000

⚠️ CAUTION! RISK OF DANGER

Safe operation can only be guaranteed if the transducer is used for its intended purpose. Installation must be performed by qualified personnel. Ensure all measures are taken to protect against electrical shock.

⚠️ WARNING!

Do not stress the coil by applying mechanical force (twisting, puncturing, excessive pressure, tight bending), as this will dramatically degrade the device's accuracy.

Frequently Asked Questions

Q: What is the main advantage of a flexible Rogowski coil over a standard CT?

A: It is non-intrusive, lightweight, and flexible, allowing it to be installed around large or irregular conductors in tight spaces without disconnecting the circuit.

Q: Can the Y-FCT measure DC current?

A: No, Rogowski coils are designed for AC current measurement. However, they can measure the AC component accurately even in the presence of a large DC component.

Q: Is the Y-FCT suitable for outdoor use?

A: Yes, it features an IP68 rating, making it waterproof and suitable for harsh environments.

Q: Does the coil require an external power source?

A: The coil itself is passive, but it requires an electronic integrator to process the signal. Some modern meters can interface with it directly.

Q: What is the maximum current the Y-FCT can measure?

A: It can measure currents up to 100kA with high linearity.

Q: Does the position of the conductor inside the coil affect accuracy?

A: The Y-FCT is designed for high uniformity, but for best results, the conductor should be placed centrally. The position error is typically within ±1%.