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Square D QSFT1033D - Fusible Safety Switch 100A@240V (200kA AIC 3-Pole)

Zinsco
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Square D QSFT1033D is a fusible panel-mounted safety switch designed for industrial power distribution systems requiring high fault current protection. The unit features a 240V AC voltage rating with 100A current capacity and 200kA AIC rating at 240V, housed in an 80 lb rugged enclosure with Class R/J fuse compatibility. Its 3-pole dual/twin configuration meets stringent industrial standards for three-phase applications, engineered for compatibility with ED frame panels. Typical applications include motor control centers, heavy machinery power feeds, and critical circuit protection where reliable isolation is required.

Key Features & Specifications
  • Type: QSFT fusible safety switch, panel mount
  • Voltage Rating: 240V AC
  • Current Rating: 100A
  • Configuration: Dual/Twin
  • Poles: 3
  • Phase: 3
  • AIC Rating: 200kA@240V
  • Fuse Class: R, J
  • Compatible Frames: ED
  • Switch Style: Fusible
  • Weight: 80 lb
  • Family: QSF Series