Y-shaped flexible current sensing coil | Rogowski coil | 500 A | Ø50 mm | 85 mV/kA | Y-FCT-200
Code: ESY-FCT-200Y-shaped flexible Rogowski current measuring coil designed for accurate and safe alternating current (AC) measurement. Thanks to its compact Ø50 mm window, 8 mm cross-section, and Y-shaped output, this coil is especially convenient for installation in tight electrical panels where neat cable routing and reliable measurement results are required. It is an excellent solution when traditional current transformers do not fit or when the installation cannot be disconnected.
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Technical Specifications
Type: Flexible current measuring coil (Rogowski coil), Y-shaped
Model: Y-FCT-200
Coil length: 200 mm
Inner window size: 50 mm
Cross-section: 8 mm (slim design)
Rated current: 500 A (AC)
Output signal: 85 mV/kA @ 50 Hz
Cable length: 2 meters
Calibration accuracy: ±0.5%
Temperature drift: 300 ppm/°C
Linearity: ±0.2% (from 2% to 100% of rated current)
Position error: ±1%
Wire marking: Black / Red (for correct polarity direction)Functions
Non-invasive AC current measurement – no need to disconnect cables
Y-shaped output – cleaner and more convenient cable routing
Slim and flexible coil – suitable for limited installation spaces
Stable and accurate measurements across the full operating current range
Low position and phase influence on measurement results
Applications
Home / advanced user:
Monitoring energy consumption in residential or commercial buildings, analysis of loads in solar power systems, inverters, EV charging lines, safe measurements without disconnecting wiringElectrician:
Fast installation in electrical panels, fewer components – simpler installation, convenient solution for system renovation or expansionEngineer / automation specialist:
Direct integration with energy meters, PLC, BMS, EMS, SCADA systems, high-current measurement without magnetic core saturation, reliable solution for industrial and infrastructure projectsAdvantages
Y-shaped design – easier installation
Slim (8 mm) and flexible coil
High accuracy and good linearity
Safe, non-invasive measurement
Suitable for tight electrical panel spaces
Limitations
Designed for alternating current (AC) only
Requires a compatible measuring device with 85 mV/kA input
IP protection rating not specified – recommended for indoor use or installation in a protective enclosure
Illustrative image may have been created using AI. The appearance of the product may differ slightly from the image shown. Please refer to the technical specification.This product is marked with the CE label, which confirms that it complies with all applicable European Union directives and regulations. CE marking is not just a formality – it is an important indicator of quality and safety, ensuring that the product has been properly assessed, tested, and can be safely used throughout the EU market.
CE certification means that the product has been evaluated according to the main criteria:
Safety requirements – ensures that the product does not pose a risk to the user or the environment
Electromagnetic compatibility (EMC) – the device does not interfere with other equipment and is resistant to external disturbances
Environmental standards – complies with current ecological and material usage requirements
Operational reliability – the product is suitable for long-term use according to its intended purposeCE marking allows this product to:
be legally supplied and used in all European Union countries
ensure a high level of quality and safety
be used in residential, commercial, and industrial environmentsThe CE mark is a declaration of the manufacturer’s responsibility, confirming that the product complies with all applicable standards and has been assessed according to EU legislation.
What does this mean for you as a buyer?
Safe use in everyday activities
Reliable performance and reduced risk of failure
Compliance with EU standards and requirements
Suitability for professional solutions
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