Square D is one of the world s leading providers of electrical distribution, circuit protection, power transmission and industrial control products. The company offers a range of products for the residential, building, industry, manufacturing, energy and infrastructure markets. Its products include miniature circuit breakers, supplementary protectors, disconnection and safety switches, panel boards and metering units. Square D also provides transformers, safety relays, pilot lights, terminal blocks, fuse holders, and heavy-duty pendant and wall stations. In operation for more than 75 years, the company additionally offers refurbishment, replacement and recommendation solutions for optimizing existing equipment. It provides power distribution components. Square D is owned and operates by Schneider Electric, which has annual sales of over $6.6 billion.