SUNGHAN TRANSTEK, The Republic of Korea - Komachine Supplier Profile and Product List

- Sunghan Transtek Co., Ltd. is a specialized company in precision current transformers and current sensors, founded in 1991, based on nickel alloy processing technology. Its core business involves supplying zero-phase current transformers (ZCTs), DC immune accuracy grade CTs, and split-type CTs capable of detecting currents from micro to overload ranges to domestic and international markets. The company boasts high-quality product development capabilities, characterized by excellent temperature characteristics and minimal output deviation. It stands as an expert in power and electronic components, recognized for its technological prowess and quality through numerous invention patents and international certifications.Sunghan Transtek Co., Ltd. is a specialized company in precision current transformers and current sensors, founded in 1991, based on nickel alloy processing technology. Its core business involves supplying zero-phase current transformers (ZCTs), DC immune accuracy grade CTs, and split-type CTs capable of detecting currents from micro to overload ranges to domestic and international markets. The company boasts high-quality product development capabilities, characterized by excellent temperature characteristics and minimal output deviation. It stands as an expert in power and electronic components, recognized for its technological prowess and quality through numerous invention patents and international certifications.
- Zero Phase Current Transformer (ZCT): A core component for earth leakage breakers and ground fault protection, featuring high quality with excellent temperature characteristics and low output deviation. It possesses balanced characteristics with a voltage ratio and V2 of 10mV max from -20 to 80℃ based on 20℃, ensuring no balance issues even at high sensitivity.Zero Phase Current Transformer (ZCT): A core component for earth leakage breakers and ground fault protection, featuring high quality with excellent temperature characteristics and low output deviation. It possesses balanced characteristics with a voltage ratio and V2 of 10mV max from -20 to 80℃ based on 20℃, ensuring no balance issues even at high sensitivity.
- Accuracy Grade Current Transformer: A transformer capable of precisely detecting currents from micro to overload ranges. It provides stable and accurate current control, with the mass production of high-quality Advance-E Type and G-Type CTs for electronic energy meters. Key features include superior linearity, precision, and minimal phase difference.Accuracy Grade Current Transformer: A transformer capable of precisely detecting currents from micro to overload ranges. It provides stable and accurate current control, with the mass production of high-quality Advance-E Type and G-Type CTs for electronic energy meters. Key features include superior linearity, precision, and minimal phase difference.
- DC Immune Current Transformer: A high-precision product that resolves the chronic phase angle and temperature variation error issues prevalent in conventional DC immune CTs. This technology ensures stable performance and high reliability.DC Immune Current Transformer: A high-precision product that resolves the chronic phase angle and temperature variation error issues prevalent in conventional DC immune CTs. This technology ensures stable performance and high reliability.
- Commercial Grade Current Transformer: A general-purpose current transformer offering stable current control performance through proprietary technology development. It is characterized by excellent linearity, a long saturation point, and high output.Commercial Grade Current Transformer: A general-purpose current transformer offering stable current control performance through proprietary technology development. It is characterized by excellent linearity, a long saturation point, and high output.
- Split Type Current Transformer: A split-type transformer designed for ease of installation and maintenance, with five models successfully developed. This offers flexibility for various application environments.Split Type Current Transformer: A split-type transformer designed for ease of installation and maintenance, with five models successfully developed. This offers flexibility for various application environments.
- Core of High Permeability Material and DC Sensor: Essential components for transformer performance, including high permeability cores, and the successful development of 10µA ultra-precision DC sensors and 0.5mA~1A DC ZCTs.Core of High Permeability Material and DC Sensor: Essential components for transformer performance, including high permeability cores, and the successful development of 10µA ultra-precision DC sensors and 0.5mA~1A DC ZCTs.
- Advanced Nickel Alloy Processing Technology: Over 30 years of expertise in handling nickel alloys, accumulating know-how in manufacturing precision components utilizing this material.Advanced Nickel Alloy Processing Technology: Over 30 years of expertise in handling nickel alloys, accumulating know-how in manufacturing precision components utilizing this material.
- Broad Current Detection and High-Precision Product Range: A diverse lineup of high-performance products, including precision CTs, DC immune CTs, and zero-phase current transformers, capable of covering current ranges from micro to overload.Broad Current Detection and High-Precision Product Range: A diverse lineup of high-performance products, including precision CTs, DC immune CTs, and zero-phase current transformers, capable of covering current ranges from micro to overload.
- Differentiated Technological Prowess: Possession of proprietary technologies, such as superior temperature characteristics and low output deviation in zero-phase current transformers, and solutions for phase angle and temperature error issues in DC immune CTs.Differentiated Technological Prowess: Possession of proprietary technologies, such as superior temperature characteristics and low output deviation in zero-phase current transformers, and solutions for phase angle and temperature error issues in DC immune CTs.
- Customized Solution Provision Capability: A flexible production system enabling the rapid development and manufacturing of products with specific characteristics and dimensions desired by users, beyond standard offerings.Customized Solution Provision Capability: A flexible production system enabling the rapid development and manufacturing of products with specific characteristics and dimensions desired by users, beyond standard offerings.
- International Quality Certifications and Patents: Verified technological capability and reliability through UL, CE, ISO 9001, ISO 14001, and INNOBIZ certifications, along with numerous invention patents.International Quality Certifications and Patents: Verified technological capability and reliability through UL, CE, ISO 9001, ISO 14001, and INNOBIZ certifications, along with numerous invention patents.
- Stable Production Base: Establishment of a new factory and a corporate entity in Shandong, China, facilitating efficient production and the establishment of a global supply chain.Stable Production Base: Establishment of a new factory and a corporate entity in Shandong, China, facilitating efficient production and the establishment of a global supply chain.
- Power Industry: Current measurement and control in electronic energy meters, smart grid systems, power generation and nuclear power plants, and heavy electrical industries.Power Industry: Current measurement and control in electronic energy meters, smart grid systems, power generation and nuclear power plants, and heavy electrical industries.
- Safety and Protection Systems: Earth leakage breakers, ground fault protection devices, and fire leakage alarms, among other safety-related products.Safety and Protection Systems: Earth leakage breakers, ground fault protection devices, and fire leakage alarms, among other safety-related products.
- Electronic and Control Systems: Over/under current relays, protectors, motor and heater controllers, power converters, and precision current sensors.Electronic and Control Systems: Over/under current relays, protectors, motor and heater controllers, power converters, and precision current sensors.
- Energy Management: Energy meters and remote power monitoring systems.Energy Management: Energy meters and remote power monitoring systems.
- South Korea, ChinaSouth Korea, China
- Certifications: UL, CE, ISO 9001, ISO 14001, Venture Business Registration, INNOBIZ (Technology Innovation Small and Medium Business) Certification.Certifications: UL, CE, ISO 9001, ISO 14001, Venture Business Registration, INNOBIZ (Technology Innovation Small and Medium Business) Certification.
- Patents: December 2018 Patent application for magnetic cores and their manufacturing methods for zero-phase current transformers using pulse caps.Patents: December 2018 Patent application for magnetic cores and their manufacturing methods for zero-phase current transformers using pulse caps.
- Patents: January 2013 Patent registration for zero-phase current transformers and manufacturing methods including a case cover.Patents: January 2013 Patent registration for zero-phase current transformers and manufacturing methods including a case cover.
- Patents: May 2007 Patent application for current transformers with built-in self-diagnostic circuits.Patents: May 2007 Patent application for current transformers with built-in self-diagnostic circuits.
- Patents: November 2005 Patent registration for invention of ZCTs with built-in electronic circuits (Ring Cob).Patents: November 2005 Patent registration for invention of ZCTs with built-in electronic circuits (Ring Cob).
- Patents: April 2000 Patent registration for Pin type ZCT (application October 1997).Patents: April 2000 Patent registration for Pin type ZCT (application October 1997).