Square D QMB323T - Fusible Safety Switch 3-Pole 100A (200kA AIC @240V)
Square D QMB323T Panel Mount Switch (Fusible) - Essential Electric Supply
Square D QMB323T - Fusible Safety Switch 3-Pole 100A (200kA AIC @240V)
Square D QMB323T Panel Mount Switch (Fusible) - Essential Electric Supply

Square D QMB323T - Fusible Safety Switch 3-Pole 100A (200kA AIC @240V)

Square D
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Square D QMB323T is a fusible safety switch designed for industrial power distribution protection. This 3-pole panel-mounted switch features a 240V AC rating with 100A current capacity and 200kA interrupting rating at 240V, housed in a NEMA 1-rated enclosure for basic indoor protection. The dual/twin configuration with R/H/K fuse class compatibility ensures reliable circuit isolation in demanding environments. UL-listed and compliant with industrial safety standards, it's engineered for motor control centers, HVAC systems, and heavy machinery applications where high fault current protection is critical.

Key Features & Specifications
  • Type: Fusible safety switch, panel mount, QMB Series D2
  • Voltage Rating: 240V AC
  • Current Rating: 100A
  • Configuration: Dual/Twin
  • Poles: 3
  • Phase: 3
  • AIC Rating: 200kA @ 240V
  • Fuse Class: R, H, K compatible
  • NEMA Rating: 1 (indoor use)
  • Compatible Frames: HHED
  • Weight: 30 lb
  • Standards: UL listed, industrial safety compliant
  • Applications: Motor control centers, industrial power distribution, heavy machinery