Product Center Overview

Precision Current Transformer Solutions

Roche Coil Transformer (flexible Opening Transformer) – CTLS4
A flexible Rogowski coil current sensor designed for accurate AC current measurement in large, irregular, or hard-to-access conductors. It features an openable structure for easy installation and is suitable for both temporary and long-term monitoring applications.
Roche Coil Transformer (flexible Opening Transformer) – CTLS3
A flexible Rogowski coil current sensor designed for accurate AC current measurement in large, irregular, or hard-to-access conductors. It features an openable structure for easy installation and is suitable for both temporary and long-term monitoring applications.
Roche Coil Transformer (flexible Opening Transformer) – CTLS2
A flexible Rogowski coil current sensor designed for accurate AC current measurement in large, irregular, or hard-to-access conductors. It features an openable structure for easy installation and is suitable for both temporary and long-term monitoring applications.
Roche Coil Transformer (flexible Opening Transformer) – CTLSX
A flexible Rogowski coil current sensor designed for accurate AC current measurement in large, irregular, or hard-to-access conductors. It features an openable structure for easy installation and is suitable for both temporary and long-term monitoring applications.
Roche Coil Transformer (flexible Opening Transformer) – CTLS1
A flexible Rogowski coil current sensor designed for accurate AC current measurement in large, irregular, or hard-to-access conductors. It features an openable structure for easy installation and is suitable for both temporary and long-term monitoring applications.
Roche Coil Transformer (flexible Opening Transformer) – CTLS
A flexible Rogowski coil current sensor designed for accurate AC current measurement in large, irregular, or hard-to-access conductors. It features an openable structure for easy installation and is suitable for both temporary and long-term monitoring applications.
Single-Phase 5A Rogowski Coil Integrator
The YC05-1 is a single-phase rated current 5A output Rogowski coil integrator,powered by 24VDC (20W or higher), and designed for standard 35mm DIN railmounting.
Busbar Puncture Roche Coil Transformer – CTLSF
A flexible clamp-type Rogowski coil current transformer designed for accurate AC current measurement from low to ultra-high currents, ideal for large, irregular, or hard-to-access conductors.
Clamp Type Rogowski Coil Current Transformer – LSPD3
A flexible clamp-type Rogowski coil current transformer designed for accurate AC current measurement from low to ultra-high currents, ideal for large, irregular, or hard-to-access conductors.
Customization Process Guide

From Concept to Mass Production

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Requirement Analysis & Solution Design
We go beyond order-taking by analyzing your application (PV, storage, EV charging) to define key parameters—turns ratio, accuracy, linearity, and dimensions—while optimizing integrator matching and anti-interference design for Rogowski coils.
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Rapid Product Prototyping
Once the plan is confirmed, we initiate rapid prototyping. Utilizing our modular core inventory and flexible winding processes, we produce functional samples within 15-20 days, allowing you to proceed with circuit testing and validation ASAP.
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Rigorous Testing & Validation
Samples undergo strict functional and environmental testing, including ratio and phase error calibration, as well as withstand voltage, temperature rise, and EMC tests to meet IEC 61869 and application requirements.
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Scalable Mass Production
After approval, we move to mass production using automated winding and epoxy casting lines, ensuring consistent magnetic performance and insulation reliability, with monthly capacity over 500,000 units.
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Final QC & Global Delivery
We perform AQL sampling or 100% inspection before shipment to ensure zero defects in appearance and performance. Familiar with export packaging standards, we provide shock-proof and moisture-proof packing for on-time global delivery.

Trusted Quality, Proven Performance

Committed to Deliver Reliable Sensing Solutions

Get in Touch
Contact our team anytime for product inquiries, technical support, or project consultation. We are ready to assist you with responsive service and professional guidance.
Call US:
+86-18118867286

About Us

Jiangyi Yucheng Electric, Jiangsu, China, makes current sensors and smart meters for global power and industrial applications, offering reliable, high-accuracy, standards-compliant solutions.

Contact Info

No.5 Tongxin Road, Qingyang Town,Jiangsu,China