Square D QMB263H - Fusible Safety Switch 600V/100A (200kA AIC @480V)

Square D QMB263H is a panel-mounted fusible safety switch designed for industrial power distribution protection. This 600V AC-rated switch handles 100A continuous current with a 200kA interrupting capacity at 480V, featuring a rugged NEMA 1 enclosure and single-configuration, 2-pole design. Constructed for compatibility with ED frame systems, it accepts R, H, and K class fuses for flexible circuit protection. The 30 lb unit meets stringent industrial safety standards for electrical disconnection applications in manufacturing plants and commercial facilities.

Key Features & Specifications

• Type: Fusible safety switch, panel mount, QMB Series D2
• Voltage Rating: 600V AC
• Current Rating: 100A
• Configuration: Single
• Poles: 2
• AIC Rating: 200kA@480V
• Fuse Class: R, H, K
• NEMA Rating: 1
• Phase: 1
• Compatible Frames: ED
• Weight: 30 lb