A large number of current transformers, voltage transformers, and other instruments for measuring devices are featured!
This catalog is a product introduction from Hiraï Electric Instrument Co., Ltd., which mainly manufactures and sells dry-type and molded instrument transformers, special transformers, resin products, and more. We offer a wide range of instrument transformers, including "Round Window Through Type Double Molded Current Transformers" and "Square Window Through Type Double Molded Current Transformers," as well as instrument voltage transformers and current transformers. [Contents] ■ Features of Hiraï Electric Instrument Co., Ltd. ■ Instrument Current Transformers (for maximum voltage circuits up to 1.15kV) ■ Instrument Voltage Transformers (for maximum voltage circuits up to 1.15kV) ■ Instrument Current Transformers (for maximum voltage circuits up to 3.45kV/7.2kV) ■ Instrument Voltage Transformers (for maximum voltage circuits up to 3.45kV/7.2kV) ■ Instrument Current Transformers (for maximum voltage circuits up to 34.5kV (Class above special high voltage)) ■ Instrument Voltage Transformers (for maximum voltage circuits up to 34.5kV (Class above special high voltage)) ■ Zero Sequence Current Transformers ■ Auxiliary Current Transformers, Synthetic Current Transformers, Auxiliary Voltage Transformers ■ Split-type Current Transformers ■ Large Diameter, High Current Bushing CT ■ Reactors for Inverters *For more details, please refer to the catalog or feel free to contact us.
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【Featured Products】 ■ Current Transformers for Instruments (for maximum voltage circuits up to 1.15kV) - Round window through-type double-molded current transformers - Wound-type double-molded current transformers, etc. ■ Voltage Transformers for Instruments (for maximum voltage circuits up to 1.15kV) - Single-phase epoxy molded voltage transformers for instruments - Zero-phase grounding type epoxy molded voltage transformers, etc. ■ Current Transformers for Instruments (for maximum voltage circuits up to 3.45kV/7.2kV) - Wound-type epoxy molded current transformers - Square window primary conductor direct mount type epoxy molded current transformers, etc. ■ Voltage Transformers for Instruments (for maximum voltage circuits up to 3.45kV/7.2kV) - Single-phase epoxy molded voltage transformers for instruments - Enamel resistors, etc. ■ Current Transformers for Instruments (for maximum voltage circuits up to 34.5kV (high voltage class)) - High voltage class round window through-type epoxy molded current transformers - Outdoor multi-ratio current transformers, etc. ■ Voltage Transformers for Instruments (for maximum voltage circuits up to 34.5kV (high voltage class)) - External VT protection fuse base - Single-phase epoxy molded voltage transformers for three-phase applications, among many others. *For more details, please refer to the catalog or feel free to contact us.
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For more details, please refer to the catalog or feel free to contact us.
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Company information
Our company's history began on February 11, 1921, when our founder, Daisuke Hirai, established a sole proprietorship in Osaka. During World War II, we relocated to Kyoto at the request of Shimadzu Corporation, which was a military supply company for the country. In February 1952, after the war, we established the current company, built and relocated our headquarters and factory in Kyoto, and completed the technology for epoxy molded transformers. In August 2019, we opened a new production base called "Reiwa Keihanna Business Office." In 2020, we obtained ISO 9001 certification, and in February 2021, we celebrated our 100th anniversary by receiving the "66th Shibusawa Award" sponsored by the Japan Electric Association, marking a significant new step forward. Furthermore, without resting on our laurels, we are committed to continuing the fusion of the technologies and innovations we have cultivated over the years to create products that transcend traditional business fields. As a company, we aim to contribute to society by becoming an enterprise capable of supporting various "infrastructures" surrounding society and nurturing the technology and human resources that will carry "Japan's future."
