Square D QMB303T - Fusible Safety Switch 3P 30A (200kA AIC @240V)

Square D QMB303T is a 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 robust short-circuit protection. The panel-mounted unit has a NEMA 1 enclosure with dual/twin configuration, constructed for HED frame compatibility. It meets industry standards with R, H, and K fuse class ratings. Typical applications include motor control centers and heavy-duty electrical distribution systems.

Key Features & Specifications

• Type: QMB Saflex fusible safety switch
• Voltage Rating: 240V AC
• Current Rating: 30A
• Configuration: Dual/Twin
• Poles: 3
• Phase: 3
• AIC Rating: 200kA@240V
• Fuse Class: R, H, K
• NEMA Rating: 1
• Switch Style: Fusible
• Compatible Frames: HED
• Weight: 38 lb
• Standards: Industrial safety compliance
• Applications: Motor control centers, power distribution

Product Identification

• GTIN: 00783164001334