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

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