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Square D QSFT333A - Fusible Safety Switch 3P 30A (200kA AIC @240V)

Zinsco
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Square D QSFT333A is a panel-mounted fusible safety switch designed for industrial power distribution protection. This 3-phase unit features a 240V voltage rating and 30A current capacity with a 200kA interrupting rating at 240V for robust fault protection. The dual/twin configuration switch weighs 80 lb with a compact HHED-compatible frame, constructed for heavy-duty applications. It meets industry safety standards for fusible disconnect switches in commercial and industrial environments. Typical applications include motor control centers, HVAC systems, and machinery power distribution where high-interrupt capacity is required.

Key Features & Specifications
  • Type: QSF Series fusible safety switch, panel mount
  • Voltage Rating: 240V AC
  • Current Rating: 30A
  • Configuration: Dual/Twin
  • Poles: 3
  • Phase: 3
  • AIC rating: 200kA@240V
  • Compatible Frames: HHED
  • Switch Style: Fusible
  • Weight: 80 lb
  • Standards: Industrial safety compliance
  • Applications: Motor control centers, industrial power distribution, HVAC systems