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Square D QMB2280M - Fusible Safety Switch 800A@240V (200kA AIC)

Square D
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Square D QMB2280M is a panel-mounted fusible safety switch designed for high-current circuit protection in industrial applications. This single-configuration switch features a 240V voltage rating and 800A current capacity with a 200kA interrupting rating at 240V for robust fault protection. The NEMA 1-rated enclosure houses two poles in a compact 125 lb design, compliant with industry standards for electrical safety. Its ED frame compatibility and R-class fuse support make it suitable for motor control centers, power distribution panels, and heavy machinery protection systems.

Key Features & Specifications
  • Type: QMB Saflex fusible safety switch
  • 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
  • Switch Style: Fusible
  • Item Subcategory: Panel Mount