Square D QMB263J - Fusible Safety Switch 600V/100A (200kA AIC @480V)

Square D QMB263J is a fusible safety switch designed for industrial power distribution protection. This panel-mounted QMB Series D2 switch features a 600V AC rating with 100A current capacity and 200kA interrupting rating at 480V for reliable circuit isolation. The NEMA 1-rated enclosure houses a single-configuration, 2-pole fusible switch mechanism compatible with ED frames, constructed with Class J fuse protection. It meets industry standards for industrial power control applications, including motor control centers and electrical distribution panels.

Key Features & Specifications

• Type: Panel-mounted fusible safety switch (QMB Series D2)
• Voltage Rating: 600V AC
• Current Rating: 100A
• Configuration: Single
• Poles: 2
• AIC Rating: 200kA@480V
• Fuse Class: J
• NEMA Rating: 1
• Phase: 1
• Compatible Frames: ED
• Switch Style: Fusible
• Weight: 30 lb