Square D QMB263T - Fusible Safety Switch 600V/100A (200kA AIC @480V)

Square D QMB263T is a panel-mounted fusible safety switch designed for industrial circuit protection and isolation. This 600V AC-rated switch features a 100A current capacity with a 200kA interrupting rating at 480V, housed in a rugged NEMA 1 enclosure weighing 30 lb. Its dual-pole configuration with R/H/K class fuse compatibility meets stringent safety standards for electrical distribution systems. The QMB Series D2 switch is engineered for HED frame compatibility, providing reliable overcurrent protection in commercial and industrial power applications.

Key Features & Specifications

• Type: Panel-mounted fusible safety switch (QMB Series D2)
• Voltage Rating: 600V AC
• Current Rating: 100A
• Configuration: Dual/Twin pole
• Fuse Class: R, H, K compatible
• AIC Rating: 200kA @ 480V
• NEMA Rating: 1
• Phase: 1
• Weight: 30 lb
• Compatible Frames: HED
• Switch Style: Fusible disconnect