Reliability Innovation Quality Safety Ingenuity

Square D products have been meeting the needs of demanding customers for 100 years. With the broadest range of products in the industry, including the world’s first safety switch, the first 2-pole ground fault interrupter breaker, the first commercially available arc fault circuit interrupter and many others, the Square D brand is synonymous with protection - of equipment, buildings and human life.

 
  When an arc explodes outward from electrical equipment, it can melt metal, start fires, damage other products and systems, and cause serious injury. Square D Masterpact® Low Arc Flash circuit breakers absorb up to 95% of the energy released by arc faults, to protect people, property and equipment. Just as Square D brand products have always done, for more than 100 years.
   
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