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Square D QMB3203H - Fusible Safety Switch 3P 30A (200kA AIC @240V)

Square D
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Square D QMB3203H is a fusible safety switch designed for industrial power distribution protection. This 3-pole panel-mounted switch features a 240V AC voltage rating and 30A current capacity with a 200kA interrupting rating at 240V for robust fault protection. The rugged NEMA 1-rated enclosure houses R/H/K-class fuse compatibility in a compact 38 lb steel construction compliant with industrial safety standards. Engineered for demanding environments, it serves motor control centers, HVAC systems, and heavy machinery applications where reliable circuit isolation is critical.

Key Features & Specifications
  • Type: QMB Saflex fusible safety switch, panel mount
  • Voltage Rating: 240V AC
  • Current Rating: 30A
  • Configuration: Single, 3-pole
  • AIC Rating: 200kA@240V
  • Fuse Class: R, H, K compatible
  • Phase: 3
  • NEMA Rating: 1
  • Compatible Frames: HED
  • Weight: 38 lb
  • Switch Style: Fusible disconnect