Square D QMB326MW - Fusible Safety Switch 600A @ 240V (200kA AIC, 3-Pole)

Square D QMB326MW is a fusible panel-mounted safety switch designed for industrial power distribution systems requiring high fault current protection. The unit features a 600A current rating and 240V voltage rating with a 200kA AIC rating at 240V for robust short-circuit protection. Its compact 58.4mm x 47.1mm x 35.3mm (2.30" x 1.85" x 1.39") NEMA 1-rated enclosure houses three poles in a single configuration with Class R fuse compatibility. UL-listed for safety compliance, this switch is engineered for ED frame compatibility in three-phase industrial applications where reliable circuit isolation is critical.

Key Features & Specifications

• Type: Fusible safety switch, panel-mounted
• Voltage Rating: 240V AC
• Current Rating: 600A
• Dimensions: 58.4mm D x 47.1mm W x 35.3mm H (2.30" x 1.85" x 1.39")
• Standards: UL LISTED
• Applications: Industrial power distribution, motor control
• Switch Style: Fusible
• Configuration: Single
• Poles: 3
• Phase: 3
• AIC rating: 200kA@240V
• Fuse Class: R
• Nema Rating: 1
• Compatible Frames: ED
• Weight: 70 lb

Product Identification

• UPC: 785901767046
• GTIN: 00785901767046