Square-D

Square D, established in 1902 as Detroit Fuse and Manufacturing, has evolved into a global leader in electrical distribution and industrial control equipment. Renamed Square D in 1917, the company has a rich history of innovation, including the development of its first power distribution panelboard in 1926 and the launch of its own range of circuit breakers in 1935. Over the decades, Square D expanded its operations internationally and became renowned for its high-quality circuit breakers and industrial controls.

Square D offers a comprehensive range of products and systems, including circuit breakers, monitoring systems, and control solutions, catering to both residential and commercial sectors. Known for its iconic QO circuit breakers and advanced energy management systems, Square D provides reliable and efficient solutions that enhance electrical safety and performance. Their products are designed to meet the highest standards of quality and durability, making them a preferred choice in various industries.

Now part of Schneider Electric, Square D continues to leverage its 120 years of expertise to deliver cutting-edge electrical solutions worldwide. With a focus on innovation and customer satisfaction, Square D supports critical infrastructure and energy management needs across multiple sectors, ensuring reliable and efficient operation in residential, commercial, and industrial applications.