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Square D QMB3203 - Fusible Safety Switch 3-Pole (30A 240V 200kA AIC)

Square D
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Square D QMB3203 is a fusible safety switch designed for industrial power distribution protection in panel-mounted applications. This 3-pole switch features a 240V AC voltage rating with a 30A current capacity and 200kA interrupting rating, housed in a NEMA 1-rated enclosure for indoor use. The rugged QMB Saflex construction supports R, H, and K-class fuses within HED-compatible frames, weighing 38 lb for stable installation. UL-listed for safety compliance, it provides reliable circuit isolation in manufacturing facilities, data centers, and commercial electrical systems requiring high-fault current protection.

Key Features & Specifications
  • Type: Fusible safety switch, panel mount, QMB Saflex series
  • Voltage Rating: 240V AC
  • Current Rating: 30A
  • Configuration: Single, 3-pole
  • Standards: UL listed, NEMA 1 enclosure
  • Applications: Industrial power distribution, motor control centers
  • Fuse Class: Compatible with R, H, K-class fuses
  • AIC rating: 200kA @ 240V
  • Phase: 3-phase
  • Compatible Frames: HED series
  • Weight: 38 lb