Circuit Breaker Industries (CBI) is a south African company with more than half a century of a comprehensive range of technically advanced products for electrical protection. these are primarily miniature circuit breaker and residual current devices (RCD's) for residential adn industrial applications, as well as a range of moulded case circuit breaker.

The company is a world leader in the field of magnetic-magnetic Circuit breaker technology and also employs thermal magnetic and electronic sensing operating principles in many of its products. CBI, Who produced the world's first high sensitivity RCD, has for decades maintained its leadership in RCD technology. CBI has enhanced its extensive protection related products by introducing a range of electricity metering products

Continuous substantial investments are made by the company in the research and development of its products and in maintaining its modem manufacturing facilities.

Internationally recognised quality standards and coppliance with international product specifications ensure that products meet the most demanding requirements.