Square D QMB263TD - Fusible Safety Switch 600V/100A (200kA AIC @480V)

Square D QMB263TD 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 NEMA 1 enclosure weighing 30 lb. Its dual/twin configuration with two poles accommodates R, H, K, T, and J-class fuses, compatible with ED frames for flexible installations. UL-listed and compliant with industrial safety standards, it provides reliable overcurrent protection for motor control centers, HVAC systems, and power distribution panels.

Key Features & Specifications

• Type: Fusible safety switch, panel mount, QMB Series E1-E2
• Voltage Rating: 600V AC
• Current Rating: 100A
• Configuration: Dual/Twin
• Poles: 2
• AIC Rating: 200kA@480V
• Fuse Class: R, H, K, T, J
• NEMA Rating: 1
• Phase: 1
• Compatible Frames: ED
• Weight: 30 lb
• Standards: UL listed
• Applications: Motor control centers, power distribution, industrial HVAC