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Square D is an American manufacturer of electrical equipment headquartered in Andover, Massachusetts. Square D is a flagship brand of Schneider Electric, which acquired the company in …

Square D is a leading manufacturer of electrical equipment for residential, commercial and industrial applications. Founded in Detroit, Michigan in 1901, Square D quickly became known for innovative …

Explore our full range of Square D products, electrical distribution services, and the latest innovations to power your success.

Designed specifically with electrical contractors in mind, Square D has upgraded its market-leading QO™ and Homeline™ combination arc fault and dual function breakers.

Explore new and featured products and solutions from Square D.

Enjoy shorter lead times and flexibility with Square D low voltage (LV) switchboards, UL 891 rated to meet various industry applications including data centers, hospitals, and offices. Includes the QED 2 …

Newark is one of America’s oldest cities, a hub of invention, commerce, and migration whose story is enduring and always evolving.

Square D offers a complete range of safety products and solutions for your protection needs. Square D™ NF and NQ Panelboards provide best-in-class overcurrent and advanced function protection for …

As the global specialist in energy management and automation, Schneider Electric will play a key role in enabling that growth through innovative, connected Square D power solutions.