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Square D QMB227W - Fusible Safety Switch 800A@240V (200kA AIC)

Square D
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Square D QMB227W is a fusible safety switch designed for industrial power distribution protection. This panel-mounted unit features a 240V AC voltage rating and 800A current capacity with a 200kA interrupting rating at 240V for reliable circuit isolation. The rugged NEMA 1 enclosure houses a single-configuration, 2-pole switch mechanism compatible with ED frames, constructed with Class R fuse protection. Compliant with industrial safety standards, it serves critical applications in motor control centers, HVAC systems, and heavy machinery power management.

Key Features & Specifications
  • Type: Fusible safety switch, panel mount, QMB Series E1-E2
  • Voltage Rating: 240V AC
  • Current Rating: 800A
  • Configuration: Single
  • Poles: 2
  • AIC Rating: 200kA@240V
  • Fuse Class: R
  • NEMA Rating: 1
  • Phase: 1
  • Compatible Frames: ED
  • Weight: 125 lb