Established in 1949 as a joint venture within the Heinemann Electric Company in Trenton, New Jersey. Part of the Reunert Group, which was listed on the JSE in 1948 Corporate Headquarters in Elandsfontein, Johannesburg, South Africa International operations in Africa, Asia, Australia, Europe and USA CBI-electric: low voltage MD: Coen Esterhuizen CBI-electric: low voltage, previously known as Circuit Breaker Industries or CBI, is located in Johannesburg, South Africa. CBI-electric: low voltage is a supplier of quality low voltage electrical distribution, protection and control equipment. The foundations of CBI were established in 1949 as a joint venture within the then Heinemann Electric Company in Trenton, New Jersey, USA. After a merger with Fuchs Electrical Industry during 1986, a new company called Circuit Breaker Industries (CBI) was created. CBI-electric: low voltage is fully owned by Reunert, which is listed on the JSE.