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Square D QMB268W - Fusible Safety Switch 1200A@600V (200kA AIC)

Square D
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Square D QMB268W is a panel-mounted fusible safety switch designed for high-current industrial power distribution protection. This 600V-rated switch handles 1200A continuous current with a 200kA interrupting capacity at 480V, featuring a rugged NEMA 1 enclosure and single-configuration, 2-pole design for reliable circuit isolation. Constructed with Class R fuse compatibility and HED frame support, it meets stringent industrial safety standards for electrical infrastructure. Typical applications include motor control centers, service entrance equipment, and heavy machinery power management.

Key Features & Specifications
  • Type: Panel-mounted fusible safety switch (QMB Series E1-E2)
  • Voltage Rating: 600V AC
  • Current Rating: 1200A
  • Configuration: Single
  • Poles: 2
  • AIC Rating: 200kA@480V
  • Fuse Class: R
  • NEMA Rating: 1
  • Phase: 1
  • Compatible Frames: HED
  • Weight: 125 lb
  • Switch Style: Fusible