Square D QMB321HW - Fusible Safety Switch 3P 30A (200kA AIC @240V)

Square D QMB321HW is a panel-mounted fusible safety switch designed for industrial power distribution protection. This 3-pole switch features a 240V voltage rating with 30A current capacity and 200kA AIC rating at 240V for reliable circuit interruption. The rugged NEMA 1 enclosure measures 114 x 78.49 x 112.78 mm (HxWxD) and weighs 7.14 lb, constructed with CSA/UL certified components compatible with ED frames. Engineered for three-phase systems, it accommodates R, H, and K class fuses for motor and equipment protection in commercial/industrial environments.

Key Features & Specifications

• Type: QMB Series E1-E2 fusible safety switch
• Voltage Rating: 240V AC
• Current Rating: 30A
• Dimensions: 4.49" x 3.09" x 4.44" (114 x 78.49 x 112.78 mm)
• Standards: CSA, UL certified
• Applications: Industrial power distribution, motor circuits
• Switch Type: Fusible
• Configuration: Single
• Poles: 3
• AIC rating: 200kA@240V
• Nema Rating: 1
• Phase: 3
• Fuse Class: R, H, K
• Compatible Frames: ED
• Weight: 7.14 lb

Product Identification

• UPC: 785901748052
• GTIN: 00785901748052