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Electric energy has been behind the dramatic development of culture, industry and lifestyles.
And, the roles it plays continue to diversify and overlap.
For almost a century, we at Terasaki have been contributing to the industrial world by innovating power distribution and control technologies and, in the process, built up a repertoire of technologies and know-how for efficiently and multilaterally using this invaluable resource.
With business and technologies now spanning five core fields, we will continue our efforts to improve industry, the environment, lifestyles and the future as a whole.

Marine systems

Marine systems

Providing "safety" across the seven seas

Once having left port, a ship must rely entirely on its onboard equipment. Shouldering the responsibility of a safe voyage is TERASAKl's marine control technology. We are particularly proud of our track records in the field of "power distribution systems" and "engine monitoring and control systems" worldwide. We boast a top-ranking share in markets worldwide and are widely known throughout the shipbuilding and marine transportation industries.
With more than 21,000 of our systems installed on large-sized ships, the challenge to new technologies has already long been our aim.

Industrial systems

Industrial systems

Coming up with "innovations" for building the future of cities

The technologies that we launched by building power distribution and control systems are penetrating into a wide range of fields including where there are ecological needs. Power supplies in Japan come primarily from large generators operated by power companies, but with renewable energies garnering more and more attention due to climate change and depleting natural resources, Terasaki's technologies are breathing new life into "solar power systems," "fuel cell systems" and "biomass systems" of the new energy field. Terasaki's technologies are playing an integral part of recycled energy systems that utilized highly efficient decentralized power sources, and particularly cogeneration systems that use waste heat.

Circuit breakers

Circuit breakers

Expanding our "reliability" further on a global scale

Circuit breakers protect human lives, buildings and properties against risks of electrical short circuit. Since our founding, TERASAKI has left competitors far behind in the field of circuit breakers and established a global name by acquiring accreditation under various international standards. We are pouring our technical and development strengths into markets in Europe, Southeast Asia, Middle and Near East, South America and elsewhere in which circuit breaker demand is expected to grow. We deliver products tailored to local needs. In Japan, we are developing new products for intranet systems based on the integration of information and communication technologies.TERASAKI is taking technology development beyond its limits to progress forward into a bright new future.

Medical devices

Medical devices

"Development" that supports human health

Medical devices protect the health of people by supporting the medical sciences from research and development to diagnosis, treatment and care. Terasaki has obtained ISO13485 certification for the quality assurance program we have put in place for the medical devices we produce. We are meeting the needs of customers with a complete system of development, design and manufacture based on the know-how we have accumulated with electrics, electronics and control over the decades since our founding.

Engineering & Lifecycle services

Engineering & Lifecycle services

"Comfort" that makes society more affluent

Terasaki is meeting the diversified needs of customers with honed engineering and management skills, and is providing customers the support they need in order to safely use the systems they introduce for years to come, by delivering solutions that embrace the entire lifecycle from the birth to the end of a ship or plant.