Square D QMB264 - Fusible Safety Switch 200A (600V AC, 200kA AIC)

Square D QMB264 is a fusible safety switch designed for industrial power distribution protection. This panel-mounted unit features a 600V AC rating and 200A current capacity with a 200kA interrupting rating at 480V for reliable circuit isolation. The rugged NEMA 1 enclosure houses a single-configuration, 2-pole switch mechanism compatible with ED frames, constructed with Class R fuse protection. It meets industry standards for industrial power control applications including motor disconnects and feeder circuit protection in commercial facilities.

Key Features & Specifications

• Type: QMB Series D2 fusible safety switch
• Voltage Rating: 600V AC
• Current Rating: 200A
• Configuration: Single
• Poles: 2
• AIC Rating: 200kA@480V
• Fuse Class: R
• NEMA Rating: 1
• Phase: 1
• Compatible Frames: ED
• Switch Style: Fusible
• Weight: 50 lb
• Item Subcategory: Panel Mount