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Square D QMB3603J - Fusible Safety Switch 600V/30A (3-Pole NEMA 1)

Square D
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Square D QMB3603J is a panel-mounted fusible safety switch designed for industrial power distribution protection. This 600V AC-rated switch features a 30A current capacity with a 200kA interrupting rating at 480V, housed in a rugged NEMA 1 enclosure weighing 38 lb. Its 3-pole single-configuration design with Class J fuses complies with industrial safety standards for ED frame compatibility. The QMB Saflex series switch is engineered for three-phase systems requiring high-fault current protection in manufacturing and heavy equipment applications.

Key Features & Specifications
  • Type: QMB Saflex fusible safety switch, panel mount
  • Voltage Rating: 600V AC
  • Current Rating: 30A
  • Dimensions: NEMA 1 enclosure
  • Standards: Industrial safety compliant
  • Applications: Three-phase power distribution, manufacturing equipment
  • Switch Type: Fusible
  • Configuration: Single
  • Phase: 3
  • AIC rating: 200kA@480V
  • Poles: 3
  • Fuse Class: J
  • Weight: 38 lb
  • Compatible Frames: ED