SMD Type Zero Phase Current Transformer Manufacturer & Exporters

Leading the South African Industrial Revolution with High-Precision Electrical Safety & Power Measurement Solutions Since 1993.

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The South African Energy Landscape & ZCT Technology

South Africa is currently undergoing a massive transformation in its energy sector. With the integration of renewable energy sources and the urgent need for grid stability, SMD Type Zero Phase Current Transformers (ZCT) have become indispensable. As a premier manufacturer and exporter, we provide the critical components needed to protect South Africa's industrial heartland.

🏗️Mining & Heavy Industry

In the deep-level mines of the North West and Gauteng, earth fault detection is a matter of life and death. Our ZCTs provide millisecond-accurate sensing to prevent catastrophic electrical failures in harsh underground environments.

☀️Renewable Energy Transition

As South Africa pivots toward solar and wind power, our SMD type transformers are integrated into smart inverters and distribution boards across the Northern Cape, ensuring leakage protection in DC-to-AC conversion.

🏙️Urban Infrastructure

From the financial hubs of Sandton to the coastal developments in Umhlanga, our zero-sequence transformers support the "Smart City" initiative, enabling precise energy monitoring and fault isolation.

Zentar Factory

About Fujian Smrtr Technology (Zentar®)

Founded in 1993, Fujian Smrtr Technology Co., Ltd. (Zentar®) has established itself as a global leader in magnetic components. With a dedicated team of over 410 professionals and operating facilities in Xiamen, we specialize in the consulting, design, and manufacturing of high-performance current transformers.

  • R&D Excellence: Led by professors and 20 senior engineers.
  • Global Standards: ISO9001 and IATF 16949 certified since 2002.
  • Massive Capacity: 50 million magnetic components annually.
  • Advanced Infrastructure: 40,000sqm workshop with automatic winding technology.
Learn More About Our Expertise
30+ Years Experience
50M Annual Capacity
20+ Senior Engineers
IATF 16949 Certified

Precision Manufacturing Process

Our state-of-the-art facility ensures every SMD Type Zero Phase Current Transformer meets the rigorous demands of the South African Bureau of Standards (SABS) and international requirements.

Wire Wrapping Wire Wrapping
Rubberized Cloth Rubberized Cloth
Silicon Steel Sheet Silicon Steel Sheet
Soldering Tin Soldering Tin
Testing Rigorous Testing
Auto Winding Auto Coil Winding
Laser Marker Laser Marking
Auto Soldering Auto Soldering

Why South African Engineers Trust Our SMD ZCTs

The technical superiority of our SMD Type Zero Phase Current Transformers lies in their high permeability cores and precision winding. In South Africa, where grid fluctuations and "load shedding" are common, electrical components must withstand transient surges. Our ZCTs are designed with high-grade epoxy resin and silicon steel sheets, ensuring thermal stability and long-term reliability.

Zero-Phase Sequence Detection: Our transformers are engineered to detect the vector sum of currents in a multi-phase system. When an earth fault occurs—a common issue in South African industrial sites—the balance is disrupted, and our ZCT provides a clear signal to the protection relay. This prevents equipment damage and, more importantly, protects personnel from electric shock.

Localized Application: We understand the unique challenges of the South African market. Our products are used in Ring Main Units (RMU), High Voltage Switchgears, and Energy Metering Systems across Eskom’s distribution network. The "Red Series" and "Open Type" designs are particularly popular for retrofitting existing South African substations without disconnecting primary cables.

Export Excellence: As a leading exporter to South Africa, we provide full technical support and customized solutions. Whether you are a distributor in Johannesburg or an EPC contractor in Cape Town, our ERP-driven production ensures short lead times and consistent quality that exceeds IATF 16949 standards.

Ready to Secure Your Power Infrastructure?

Join hundreds of South African industrial leaders who trust Zentar® for their electrical safety needs.

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