Residual Current Detection DC6ma AC20mA/30mA Leakage Current Sensor Zda13
Leakage Current Detection 3V AC Output Rogowski Coil Probe Flexible Current Transformer
FR3V PB800 B-type RCD Series 12V Leakage Sensor Module for Ground Fault Detection
FR3V PB800 B-type RCD 12V 1phase/3phase Leakage Sensor Module for Converter Detection
Split Core AC Residual Current Detection RCD Leakage CT Current Sensor for Fire Projects
Residual Current Detection RCD Leakage Split Core Current Sensor
Split Core AC Residual Current Detection RCD Leakage CT High Accuracy 1 Class
Zct Type Zero Phase Sequence Current Transformer Ground-Fault Detection Device
In the era of Smart Cities and Industry 4.0, the demand for high-precision Voltage Detection Tools has shifted from simple "go/no-go" indicators to sophisticated, integrated sensing modules. Global manufacturing sectors are increasingly adopting real-time monitoring to prevent equipment downtime and ensure worker safety.
With the rapid expansion of EV charging infrastructure (EVSE) and solar PV systems, Type-B Residual Current Devices (RCDs) have become a global standard. These tools detect DC leakage current, which traditional sensors might miss, ensuring absolute safety in modern DC-heavy environments.
Current trends emphasize Miniaturization and PCB-mount capabilities. Manufacturers are looking for custom-tailored sensors that fit into compact IoT gateways, energy meters, and smart home breakers without compromising insulation or accuracy.
Established in 1993, Fujian Smrtr Technology Co., Ltd. (Zentar®) is a premier manufacturer specializing in magnetic components for electrical safety and power measurement. Headquartered in Xiamen, we have grown into a powerhouse with over 410 dedicated professionals.
Our expertise lies in the consulting, design, and precision manufacturing of Current Transformers, RCD Fused Connection Units, and Wireless Energy Monitors. As a leading supplier of protection technologies against electric shock and electrical faults, our components are the backbone of safety for power grids worldwide.
"With 30 years of excellence, we connect the future through precision engineering and a commitment to global safety standards."
Our R&D team is led by distinguished professors and 20 senior engineers. This high-level academic and practical synergy allows us to provide innovative solutions for complex electrical sensing challenges, maintaining a competitive edge in the OEM/ODM market.
Smrtr Technology implemented ISO9001 as early as 2002. Today, we operate under the rigorous IATF 16949 framework, ensuring every voltage detection tool meets the highest reliability standards for automotive and industrial applications.
Equipped with automatic winding machines and state-of-the-art testing equipment, we produce 50 million magnetic components and 5 million electrical safety products annually. Our ERP system (introduced in 2008) ensures short lead times and precise project management.
Tailored technologies for global procurement needs
Our split-core current transformers and Rogowski coils are vital for automation and energy sub-metering. They enable dynamic energy consumption analysis and peak load management in commercial buildings.
From ground fault detection to converter leakage current monitoring, our B-type RCD modules provide critical safety data for high-power industrial drives and robotic assembly lines.
Zentar transformers—including oil-immersed, dry-type, and toroidal variants—serve substations and pad-mounted distributions, ensuring stable voltage conversion across various grid scales.
Precision equipment for superior Voltage Detection Tools
Yhdc AC/DC Voltage Transducer Closed Loop Hall Effect Sensor Hv301
IEC&CE 35kv-330kv Three Phase Oil Immersed Power Voltage Prefabricated Substation
D-Src High Voltage 36kv Flexible Rogowski Coil Current Sensor Transformer
10kv/0.4kv/2000kVA Three-Phase Dry-Cast Distribution Transformer
High Voltage Cast Resin Dry Type Transformer with Full Copper Winding
S11 Series 30kv Power Distribution Three-Phase Electric Oil Immersed Transformer
Single Three Phase Electric Step up Pad Mounted Toroidal Distribution Transformer
Qnpt04 2mA Miniature PCB Mount Precision Potential Factory Transformer
Global procurement teams often face the challenge of balancing cost-efficiency with uncompromising quality. As a leading manufacturer in Fujian, China, Smrtr Technology (Zentar) provides a unique advantage by combining localized raw material access with world-class engineering standards. China's mature supply chain for silicon steel and high-purity copper allows us to offer competitive pricing on Custom OEM Voltage Detection Tools without sacrificing precision.
Furthermore, our ability to rapidly prototype and iterate designs—supported by our 20+ senior engineers—means we can go from concept to mass production faster than most Western counterparts. Whether it is a specialized Rogowski Coil for high-voltage monitoring or a B-type RCD for EV charging, our facilities are equipped to handle the rigorous testing required for CE and IEC compliance, ensuring your products are ready for the global market.
Smrtr Technology