Square D QMB265WT6 - Fusible Safety Switch 400A@600V (200kA AIC)

Square D QMB265WT6 is a fusible safety switch designed for industrial power distribution protection. This panel-mounted QMB Series device provides 600V AC isolation with a 400A current rating and 200kA interrupting capacity at 480V, housed in a NEMA 1-rated enclosure weighing 70 lb. The single-configuration, 2-pole switch features Class R fuse compatibility and integrates with ED frame systems per industry standards. Typical applications include motor control centers and heavy equipment power management where high-fault protection is critical.

Key Features & Specifications

• Type: Fusible safety switch, panel mount, QMB Series E1-E2
• Voltage Rating: 600V AC
• Current Rating: 400A
• Configuration: Single
• Poles: 2
• AIC Rating: 200kA@480V
• Fuse Class: R
• NEMA Rating: 1
• Phase: 1
• Compatible Frames: ED
• Weight: 70 lb
• Switch Style: Fusible