Low Voltage Monitoring Unit Flexible Current Senor

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Low Voltage Monitoring Unit Flexible Current Senor

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Product Description

📋 Basic Information

Model NO.

Y-FCT

Production Process

Integration

Material

Metal

Accuracy Grade

0.5G

IP Rating

IP67 / IP68

Certification

Current Range(RMS)

0-100ka AC

Bandwidth (-3db)

1Hz to 100kHz

Linearity

±0.2% of Reading

Production Capacity

50000PCS/Month

🔍 Product Overview

Ø8 Flexible Rogowski Coil

High linearity from 1A to 100kA
Wide dynamic range for various current measurements
Extremely useful for large size or awkward shaped conductors
No danger from open-circuited secondary
Not damaged by large overloads
Non-intrusive, no power drawn from the main circuit
Measurement uniformity at any position of the conductor inside the coil
Excellent degree of rejection to external current conductors

Key Features

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 supplied according to custom designs, making them ideal for applications where traditional transducers do not fit due to size or weight constraints.

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

📊 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 ±10 Ω	210 ±10 Ω	290 ±10 Ω	430 ±10 Ω
Weight	140g	150g	160g	180g
Accuracy	Calibrated <0.5% (Central Position, 25℃)
Max Current	100kA
Coil Section	8mm
Lead Length	2 Meters
Bandwidth	1Hz to 100kHz (-3dB)
Operating Temp	-30ºC to 80ºC

🛡️ Materials & Safety

Coil & Cable

Thermoplastic rubber, flame retardant UL 94 V-0

Couplings

PA6 UL 94 V-0 rated

Insulation

Coil: 3000V; Signal cable: 1000V

Safety Standard

1000V CATIII, 600V CATIV

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

⚠️ Safety and Warning Notes

Caution! Risk of danger: Safe operation can only be guaranteed if the transducer is used for its intended purpose and within technical specifications. Installation must be performed by qualified personnel observing national regulations.

Risk of electrical shock: Ensure measures are taken to protect against electrical shock from hazardous live voltages. Installation and maintenance should be done with the power supply disconnected.

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

📸 Application Gallery

❓ FAQ

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

Rogowski coils are flexible, non-intrusive, and have no iron core, meaning they do not saturate and can measure very high currents (up to 100kA) with high linearity.

What is the accuracy of the Y-FCT model?

The calibrated accuracy is less than 0.5% when the conductor is in the central position at 25℃.

Can this sensor be used in wet environments?

Yes, the device features an IP67 rating (and complies with IP68 standards), making it highly resistant to dust and water ingress.

Does it measure DC current?

No, Rogowski coils are designed for AC measurement. However, they can accurately measure AC components even with a large superimposed DC component.

What safety certifications does the Y-FCT have?

It is CE marked and complies with LVD EN 61010-1:2010 and EMC EN 61326-1:2013 standards, with a safety rating of 1000V CATIII.

Does the coil require an external power source?

The coil itself is non-intrusive and draws no power, but it must be connected to an electronic integrator to produce a usable output voltage proportional to the current.