Square D QMB361T - Fusible Safety Switch 600V/30A (200kA AIC @480V)

Square D QMB361T is a fusible safety switch designed for industrial power distribution protection. This NEMA KS1-certified panel mount switch features a 600V voltage rating and 30A current capacity with a 200kA interrupting rating at 480V for robust circuit protection. The compact 4.49" x 4.44" x 3.09" (114 x 112.78 x 78.49 mm) enclosure houses a 3-pole dual/twin configuration compatible with Class R, H, and K fuses. Compliant with NEMA 1 standards, this US-made switch is engineered for three-phase systems in manufacturing facilities, data centers, and heavy machinery applications where reliable disconnect functionality is critical.

Key Features & Specifications

• Type: Fusible safety switch, QMB Series D2, panel mount
• Voltage Rating: 600V AC
• Current Rating: 30A
• Dimensions: 4.49" H (114 mm) x 4.44" W (112.78 mm) x 3.09" D (78.49 mm)
• Weight: 8 lb
• Standards: NEMA KS1, NEMA 1 enclosure rating
• Applications: Industrial power distribution, motor control centers, three-phase systems
• Switch Style: Fusible
• Configuration: Dual/Twin
• Poles: 3
• Phase: 3
• AIC rating: 200kA@480V
• Fuse Class: R, H, K compatible
• Compatible Frames: ED series
• Country of Origin: United States

Product Identification

• UPC: 785901535898
• GTIN: 00785901535898