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Precision Current Transformers for Safety & Metering

30+ years of expertise in manufacturing high-quality current transformers, Rogowski coils, voltage transformers, and magnetic components for global applications.

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About Xiamen ZTC Technology

Xiamen ZTC Technology Co., Ltd (Zentar®) is a leading manufacturer of magnetic components for electrical safety and power measurement, founded in 1993. With over 30 years of experience, we specialize in the design, development, and production of current transformers, Rogowski coils, voltage transformers, and ring cores.

Our company operates from a 40,000-square-meter facility in Xiamen and employs approximately 410 skilled professionals. We serve clients worldwide with RoHS & REACH compliant products, backed by CE and ETL certifications.

30+
Years Experience
50M
Annual Capacity
410
Employees
40K
m² Facility
Zentar Manufacturing Facility

Quality & Certifications

We maintain the highest standards in manufacturing and quality control to ensure reliability and safety in every product.

R&D Capability

Led by professors and 20+ senior engineers, our R&D team delivers innovative, workable solutions and technical support for custom applications.

Quality Control

ISO9001 certified since 2002, with continuous improvement under IATF 16949 standards to guarantee high-quality products and services.

Infrastructure

Advanced testing equipment and automated winding machines support precision manufacturing and large-scale production capacity.

Our Product Range

Factory direct sales, RoHS & REACH compliant, CE & ETL certified. Custom PCB mounting and wire lead configurations available.

Electrical Safety

Wire Lead Zero Phase Current Transformer

Wire Lead Zero Phase CT

Used in GFCI, RCD, and EV charging applications for leakage current detection.

  • • High sensitivity
  • • Close to zero load shift
  • • RoHS compliant
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PCB Mounting Zero Phase Current Transformer

PCB Mounting Zero Phase CT

Compact design for PCB integration in safety devices.

  • • Miniature size
  • • Excellent temperature stability
  • • CE & ETL certified
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Current Transformer For GFCI

Current Transformer for GFCI

Compatible with UL943 standards for ground fault protection.

  • • Precision output
  • • Excellent balance
  • • Stable under temperature
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Type B Current Transformer

Type B Current Transformer

Detects AC, pulsating DC, and smooth DC leakage currents.

  • • For EV charging stations
  • • High accuracy
  • • Robust design
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Electric Metering

Split Core Current Transformer

Split Core Current Transformer

Clamp-on design for easy installation without cutting cables.

  • • CE / ETL certified
  • • High accuracy
  • • Smart home compatible
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Precision Current Transformer

Precision Current Transformer

High accuracy for power measurement and energy monitoring.

  • • Wide linearity range
  • • PCB mountable
  • • Customizable output
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Rogowski Coil

Rogowski Coil

Flexible coil for AC current measurement in tight spaces.

  • • Flexible design
  • • No saturation risk
  • • Ideal for retrofit
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Voltage Transformer

Voltage Transformer

High accuracy for instruments, transmitters, and energy monitors.

  • • High conductivity permalloy
  • • Epoxy resin potted
  • • Excellent linearity
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Why Choose Zentar®?

Reliable, certified, and engineered for performance across industries.

Safety First

Our zero phase current transformers detect leakage currents as low as 30mA, preventing electric shocks and fires in residential and industrial applications.

Custom Solutions

Tailor-made designs for split core, precision, and PCB mounting transformers to meet your exact project requirements.

Global Compliance

CE, ETL, RoHS, and REACH certified products shipped worldwide, meeting international safety and environmental standards.

EV Charging Ready

Type B current transformers designed for EV charging stations, detecting both AC and DC leakage currents.

Energy Monitoring

High-accuracy split core and precision transformers for smart homes, energy audits, and power management systems.

Expert Support

Dedicated engineering team provides technical consultation, design support, and after-sales service.

1993
Founded
30+
Countries Served
50M
Units/Year
410
Team Members

Frequently Asked Questions

What is a zero phase current transformer?

A zero phase current transformer (ZCT) detects imbalance between live and neutral currents. If leakage exceeds 30mA, it triggers a GFCI or RCD to cut power, preventing electric shock.

Are your products certified?

Yes. Our products are CE, ETL, RoHS, and REACH compliant. We follow ISO9001 and IATF 16949 quality management systems.

Can you customize transformers?

Absolutely. We offer standard and customized split core, precision, and PCB mounting transformers to meet your project needs.

What applications do your transformers support?

Our transformers are used in GFCI/RCD devices, EV charging stations, energy monitoring systems, smart homes, industrial safety, and power metering.

Get in Touch

Contact us for product inquiries, custom solutions, or technical support.

Contact Information

0592-7766803

0592-7766706

enquiry@cnzentar.com

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