Square D QMB365W Panel Mount Switch (Fusible) - Essential Electric Supply
Square D QMB365W - Fusible Safety Switch 400A 600V
Square D QMB365W - Fusible Safety Switch 400A 600V
Square D QMB365W Panel Mount Switch (Fusible) - Essential Electric Supply
Square D QMB365W - Fusible Safety Switch 400A 600V
Square D QMB365W - Fusible Safety Switch 400A 600V

Square D QMB365W - Fusible Safety Switch 400A 600V

Square D
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Square D QMB365W is a panel-mounted fusible safety switch designed for providing reliable circuit protection and isolation in industrial three-phase power distribution systems. It features a 600V AC voltage rating and a 400A current rating, housed within a robust NEMA Type 1 enclosure measuring 229 mm H x 112.78 mm W x 78.49 mm D and weighing 87.16 lb. The switch is certified to NEMA KS1 standards and offers an interrupting capacity of 200kA at 480V AC for high-fault current protection. Its three-pole, single-configuration design with Class R fuse compatibility is engineered for integration into compatible ED frame equipment, supporting demanding industrial applications.

Key Features & Specifications
  • Type: Panel-mounted, fusible safety switch, NEMA Type 1 enclosure
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Dimensions: 229 mm H x 112.78 mm W x 78.49 mm D (9.02 in x 4.44 in x 3.09 in)
  • Weight: 87.16 lb
  • Standards: Certified to NEMA KS1
  • Applications: Industrial three-phase power distribution, circuit protection and isolation
  • Switch Type: Fusible
  • Configuration: Single
  • Phase: 3
  • AIC rating: 200kA at 480V AC
  • Poles: 3
  • Fuse Class: R
  • Nema Rating: 1
  • Compatible Frames: ED
  • Family: QMB Series E1-E2
  • Country of Origin: United States


Product Identification
  • UPC: 785901766872
  • GTIN: 00785901766872