Get latest factory price for Electric Circuit Breakers. Page - 1. Construction materials, wiring supplies, electric light fixtures, light bulbs, security systems and electrical power equipment for the generation, transmition, distribution and control of electric energy, switchboards, circuit breakers switches and fuses. Refrigeration, HVAC, air conditioning. . Happy Holidays! CBi South Africa will reopen 9 January 2026. . Our products are available at authorised distributors & retailers countrywide. Follow the link for distributors in your area (RSA): South Africa Distributors. Or send an email to. . If you're searching for a trusted supplier for your business, here's the list of the top circuit breaker manufacturers in the country: CBI-electric or Circuit Breaker Industries has been serving its clients since 1949. It was part of the Reunert Group that forged a joint venture with New Jersey's. . Buy online or present your Builders+ virtual card in store for a chance to win a R5,000 Builders voucher every month. © BUILDERS. All rights reserved Shop Circuit Breakers Online or Locate Your Nearest Builders Warehouse Store. ✓ Reliable Delivery ✓ Easy Returns ✓ Many Ways to Pay! . CBi's MCB Breakers include Commercial and Industrial 6kA Breakers as well as Residential 3kA Breakers. A range of dual and samite mount Breakers which apply hydraulic-magnetic, electronic and thermal-magnetic technologies for the protection of installations and equipment against overloads and short. .