Square D QMB323 - Fusible Safety Switch 100A@240V (200kA AIC 3-Pole)
Square D QMB323 Panel Mount Switch (Fusible) - Essential Electric Supply
Square D QMB323 - Fusible Safety Switch 100A@240V (200kA AIC 3-Pole)
Square D QMB323 Panel Mount Switch (Fusible) - Essential Electric Supply

Square D QMB323 - Fusible Safety Switch 100A@240V (200kA AIC 3-Pole)

Square D
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Square D QMB323 is a fusible safety switch designed for industrial power distribution protection. This panel-mounted unit features a 240V AC voltage rating with 100A current capacity and 200kA interrupting rating at 240V for reliable circuit protection. The rugged NEMA 1 enclosure houses three poles in a single configuration, compatible with ED frames, and accepts R, H, or K class fuses. UL-listed and built to industrial standards, it's engineered for three-phase systems in manufacturing plants, data centers, and heavy machinery applications.

Key Features & Specifications
  • Type: Fusible safety switch, panel mount, QMB Series D2
  • Voltage Rating: 240V AC
  • Current Rating: 100A
  • Configuration: Single
  • Poles: 3
  • Phase: 3
  • AIC Rating: 200kA@240V
  • Fuse Class: R, H, K
  • NEMA Rating: 1
  • Compatible Frames: ED
  • Switch Style: Fusible
  • Weight: 30 lb
  • Standards: UL listed
  • Applications: Industrial power distribution, motor control centers, manufacturing facilities