Square D QMB320EX - QMB Safety Switch 600V 200A
Square D QMB320EX Strap Kit Switch () - Essential Electric Supply
Square D QMB320EX - QMB Safety Switch 600V 200A
Square D QMB320EX Strap Kit Switch () - Essential Electric Supply

Square D QMB320EX - QMB Safety Switch 600V 200A

Square D
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The Square D QMB320EX is a heavy-duty QMB series safety switch designed for providing a visible disconnect and isolation point for electrical circuits in industrial applications. It is rated for 600V AC systems and handles a fixed current of 200A, housed in a robust construction measuring 229 mm H x 140 mm W x 102 mm D (9.02 in x 5.5 in x 4.02 in) with a weight of 4.859 lb. This switch is UL and CSA certified, ensuring compliance with North American safety standards, and is engineered for integration into compatible ED frame panelboards for reliable operation in manufacturing, commercial, and utility environments.

Key Features & Specifications
  • Type: QMB Series E1 safety disconnect switch, single branch configuration
  • Voltage Rating: 600V AC
  • Current Rating: 200A
  • Dimensions: 229 mm H x 140 mm W x 102 mm D (9.02 in x 5.5 in x 4.02 in)
  • Weight: 4.859 lb
  • Standards: UL, CSA certified
  • Applications: Industrial circuit isolation and disconnect in manufacturing, commercial, and utility panelboards
  • Switch Type: QMB safety switch
  • Configuration: Single Branch
  • Panel Type: QMB
  • Compatible Frames: ED frame panelboards
  • Country of Origin: United States


Product Identification
  • UPC: 785901542407
  • GTIN: 00785901542407