Square D QMB321TW - Fusible Safety Switch 240V 30A (200kA AIC @240V)

Square D QMB321TW is a fusible panel-mounted safety switch designed for industrial power distribution protection. This 3-phase switch features a 240V voltage rating and 30A current capacity with a 200kA interrupting rating at 240V for robust circuit protection. The unit's compact enclosure measures 114 x 78.49 x 112.78 mm (HxWxD) and weighs 7.23 lb, constructed with NEMA 1-rated housing for indoor use. Certified to NEMA KS1 standards, it's compatible with ED frames and accepts Class R, H, and K fuses for motor control and feeder circuit applications in commercial/industrial facilities.

Key Features & Specifications

• Type: QMB Series E1-E2 fusible safety switch, dual/twin configuration
• Voltage Rating: 240V AC
• Current Rating: 30A
• Dimensions: 114 x 78.49 x 112.78 mm (HxWxD)
• Standards: NEMA KS1 certified, NEMA 1 enclosure
• Applications: Motor control, feeder circuits, industrial power distribution
• Switch Style: Fusible
• Configuration: Dual/Twin
• Poles: 3
• AIC rating: 200kA@240V
• Fuse Class: R, H, K compatible
• Phase: 3
• Weight: 7.23 lb
• Compatible Frames: ED

Product Identification

• UPC: 785901748069
• GTIN: 00785901748069