Square D QMB327W - Fusible Safety Switch 800A@240V (3-Pole NEMA 1)
Square D QMB327W Panel Mount Switch (Fusible) - Essential Electric Supply
Square D QMB327W - Fusible Safety Switch 800A@240V (3-Pole NEMA 1)
Square D QMB327W Panel Mount Switch (Fusible) - Essential Electric Supply

Square D QMB327W - Fusible Safety Switch 800A@240V (3-Pole NEMA 1)

Square D
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Square D QMB327W is a fusible safety switch designed for industrial power distribution systems requiring high-current protection. This 3-pole panel-mounted switch features a 240V AC voltage rating and 800A current capacity with a 200kA interrupting rating at 240V for reliable circuit protection. The rugged NEMA 1-rated enclosure houses R-class fuses in a single-configuration design compatible with HHED frames, weighing 125 lb for stable installation. Compliant with industrial safety standards, it serves critical applications in manufacturing plants, data centers, and heavy machinery power control.

Key Features & Specifications
  • Type: Fusible safety switch, panel mount, QMB Series E1-E2
  • Voltage Rating: 240V AC
  • Current Rating: 800A
  • Configuration: Single
  • Poles: 3
  • Phase: 3-phase
  • AIC Rating: 200kA@240V
  • Fuse Class: R
  • NEMA Rating: 1
  • Compatible Frames: HHED
  • Weight: 125 lb
  • Switch Style: Fusible
  • Standards: Industrial safety compliance
  • Applications: Industrial power distribution, manufacturing equipment, data center power control