Square D QMB323MJ - Fusible Safety Switch 100A@240V (200kA AIC, NEMA 1)

Square D QMB323MJ is a fusible safety switch designed for industrial power distribution protection. This panel-mounted unit features a 240V AC voltage rating and 100A current capacity with a 200kA interrupting rating at 240V for reliable circuit protection. The rugged NEMA 1 enclosure houses three poles in a single configuration, constructed with Class J fuses for high fault current interruption. Compliant with industrial safety standards, it's engineered for compatibility with ED frame installations. Typical applications include motor control centers, machinery power disconnects, and industrial panelboards requiring fused circuit isolation.

Key Features & Specifications

• Type: Fusible safety switch, panel mount, QMB Series D2
• Voltage Rating: 240V AC
• Current Rating: 100A
• Configuration: Single
• Poles: 3
• Phase: 3
• AIC Rating: 200kA@240V
• Fuse Class: J
• NEMA Rating: 1
• Compatible Frames: ED
• Switch Style: Fusible
• Weight: 30 lb