Square D QMB264W Panel Mount Switch (Fusible) - Essential Electric Supply
Square D QMB264W Panel Mount Switch (Fusible) - Essential Electric Supply

Square D QMB264W - Fusible Safety Switch 200A 600V (200kA AIC)

Square D
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The Square D QMB264W is a panel-mounted fusible safety switch designed for reliable circuit protection and isolation in industrial power distribution. It provides a 200A current rating and 600V voltage rating for robust electrical control, housed in a compact NEMA 1 enclosure measuring 3.09 in (78.49 mm) deep by 4.44 in (112.78 mm) wide with a weight of 30.139 lb. This switch is UL and CSA certified and features a 200kA interrupting capacity at 480V for high-fault protection. Its single-configuration, two-pole design is engineered for typical single-phase applications requiring a fusible disconnect compatible with Class R fuses and ED frame systems.

Key Features & Specifications
  • Type: Panel-mounted fusible safety switch, QMB Series E1-E2
  • Voltage Rating: 600V AC
  • Current Rating: 200A
  • Dimensions: 3.09 in depth (78.49 mm) x 4.44 in width (112.78 mm)
  • Standards: UL, CSA certified
  • Applications: Industrial power distribution, circuit isolation, and protection
  • Switch Type: Fusible safety switch
  • Configuration: Single
  • Poles: 2
  • AIC Rating: 200kA at 480V
  • Fuse Class: R
  • NEMA Rating: 1
  • Phase: 1
  • Compatible Frames: ED
  • Weight: 30.139 lb


Product Identification
  • UPC: 078590176580
  • GTIN: 00785901765806