Product Center Overview

Precision Current Transformer Solutions

Outdoor Waterproof Current Transformer – CTHW9
An outdoor-rated current transformer designed with advanced waterproof structure for reliable performance in harsh environments. Built with one-step molding technology and high protection grade to ensure long-term stability and safety.
Outdoor Waterproof Current Transformer – CTHW8
A durable outdoor current transformer designed for reliable measurement and protection applications, featuring advanced waterproof technology, high protection grade, and stable performance in complex outdoor environments.
Outdoor Waterproof Current Transformer – CTHW6
An outdoor current transformer designed for reliable measurement and monitoring in harsh environments. It features advanced one-piece molding waterproof technology, ensuring excellent sealing performance and long-term stability. With IP67/IP65 protection and a wide current input range, it is suitable for various industrial and power system applications.
Hinged Waterproof Current Transformer – CTHW5
Hinged waterproof current transformer designed for outdoor use, featuring one-step molded sealing structure, waterproof terminals, and IP67/IP65 protection to ensure stable and safe current monitoring in harsh environments.
Open-Close Type Outdoor Waterproof Puncture Transformer – CTHW4
Designed for outdoor current monitoring applications, this open-close puncture transformer features a fully sealed waterproof structure, one-step molded body, and reliable performance in harsh environments.
Open-Close Type Outdoor Current Transformer – CTHW3
Designed for outdoor current monitoring applications, this open-close current transformer features a fully sealed waterproof structure, simple installation, and stable performance. With one-step molding technology and IP67/IP65 protection, it is suitable for electrical fire monitoring, smart power systems, relay protection, and other harsh outdoor environments.
Open-Close Type Outdoor Waterproof Puncture Transformer – CTHW2
Designed for outdoor use, this open-close waterproof puncture transformer features one-step molded construction, reliable sealing performance, and stable current monitoring in harsh environments.
Open-Close Type Outdoor Waterproof Transformer – CTHW1
Outdoor open-close type current transformer with integrated waterproof structure, featuring full molding encapsulation technology and IP67/IP65 protection, designed for reliable operation in harsh outdoor environments and intelligent power monitoring systems. 
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