Square D QSF1053A - Fusible Safety Switch 600V AC 3P (100A RK1/RK5)
Square D QSF1053A - Fusible Safety Switch 600V AC 3P (100A RK1/RK5)

Square D QSF1053A - Fusible Safety Switch 600V AC 3P (100A RK1/RK5)

Zinsco
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Square D QSF1053A is a panel-mounted fusible safety switch designed for industrial power distribution systems requiring reliable circuit protection. The unit features a 600V AC rating with 100A current capacity across three poles, housed in a rugged 50 lb enclosure constructed for durability in demanding environments. It complies with industry standards for RK1/RK5 fuse classes and integrates with HED-compatible frames. Typical applications include motor control centers, manufacturing equipment, and heavy machinery requiring three-phase power distribution with fused isolation capabilities.

Key Features & Specifications
  • Type: QSF Series fusible safety switch, panel mount
  • Voltage Rating: 600V AC
  • Current Rating: 100A
  • Configuration: Single
  • Poles: 3
  • Phase: 3
  • Fuse Class: RK1, RK5
  • Compatible Frames: HED
  • Switch Style: Fusible
  • Weight: 50 lb
  • Standards: Industrial safety switch requirements
  • Applications: Motor control centers, industrial power distribution