Square D QMB363T31W - Fusible Safety Switch 600V/100A (200kA AIC @480V)

Square D QMB363T31W is a panel-mounted fusible safety switch designed for industrial power distribution protection. This 600V AC, 100A rated switch features a dual/twin configuration with three poles and a 200kA interrupting capacity at 480V for robust fault protection. The NEMA 1-rated enclosure measures 191mm (H) x 78.49mm (D) x 112.78mm (W) with a 13.97 lb steel construction, compatible with ED frames. Certified to NEMA KS1 standards, it accommodates Class R, H, and K fuses for three-phase circuit protection in manufacturing facilities and heavy equipment applications.

Key Features & Specifications

• Type: Fusible safety switch, panel-mounted, dual/twin configuration
• Voltage Rating: 600V AC
• Current Rating: 100A
• Dimensions: 191mm H x 78.49mm D x 112.78mm W (7.52" x 3.09" x 4.44")
• Standards: NEMA KS1, NEMA 1 enclosure rating
• Applications: Industrial power distribution, motor control centers
• Switch Style: Fusible
• Configuration: Dual/Twin
• Poles: 3
• Phase: 3
• AIC rating: 200kA@480V
• Fuse Class: R, H, K
• Compatible Frames: ED
• Weight: 13.97 lb
• Country of Origin: United States

Product Identification

• UPC: 785901766155
• GTIN: 00785901766155