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Square D QMB228MW - Fusible Disconnect Switch 240V/1200A (200kA AIC @240V)

Square D
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Square D QMB228MW is a fusible panel mount switch designed for high-current industrial power distribution. The unit features a 240V AC voltage rating with a 1200A current capacity and 200kA interrupting rating at 240V for robust circuit protection. Constructed with Class R fuses in a NEMA 1 enclosure, this single-configuration switch weighs 125 lb and complies with industrial safety standards. Its 2-pole design integrates with ED frame panels for reliable operation in demanding environments. Typical applications include motor control centers, switchgear, and heavy-duty power management systems.

Key Features & Specifications
  • Type: Fusible disconnect switch, panel mount
  • Voltage Rating: 240V AC
  • Current Rating: 1200A
  • Configuration: Single
  • Poles: 2
  • AIC Rating: 200kA@240V
  • Fuse Class: R
  • NEMA Rating: 1
  • Phase: 1
  • Compatible Frames: ED
  • Weight: 125 lb
  • Standards: Industrial safety compliance
  • Applications: Motor control centers, switchgear, power distribution
Product Identification
  • GTIN: 00783643103870