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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.

Moulded Case Circuit Breakers

Air Circuit Breakers

Other Products

Instruction Manual


Technical Data