Square D QMB323M - Fusible Safety Switch 3P 100A (240V AC, 200kA AIC)

Square D QMB323M is a fusible safety switch designed for industrial power distribution systems requiring reliable circuit protection. This 3-pole switch features a 240V AC voltage rating with 100A current capacity and 200kA interrupting rating at 240V, housed in a NEMA 1-rated panel-mount enclosure weighing 30 lb. Engineered for compatibility with HHED frames, it accepts R, H, and K-class fuses for flexible protection schemes. The QMB Series D2 switch meets rigorous industrial standards for three-phase power applications where robust disconnect functionality is critical.

Key Features & Specifications

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