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Square D QMB3603 - Fusible Safety Switch 600V/30A (3-Pole NEMA 1)

Square D
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Square D QMB3603 is a panel-mounted fusible safety switch designed for industrial power distribution protection. This 600V AC-rated switch features a 30A current capacity with 200kA interrupting rating at 480V, housed in a rugged NEMA 1 enclosure weighing 38 lb. Its three-pole single-configuration design accommodates R, H, and K-class fuses for flexible circuit protection in ED frame applications. The QMB Saflex series meets stringent industrial standards for three-phase power systems requiring reliable disconnect functionality.

Key Features & Specifications
  • Type: QMB fusible safety switch, panel mount
  • Voltage Rating: 600V AC
  • Current Rating: 30A
  • Configuration: Single
  • Poles: 3
  • Phase: 3
  • AIC rating: 200kA@480V
  • Fuse Class: R, H, K
  • NEMA Rating: 1
  • Switch Style: Fusible
  • Compatible Frames: ED
  • Weight: 38 lb