Square D QMB263MJ - Fusible Safety Switch 600V/100A (200kA AIC @480V)

Square D QMB263MJ 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 200kA interrupting rating at 480V, housed in a rugged NEMA 1 enclosure weighing 30 lb. The single-configuration, 2-pole design complies with industrial safety standards for HED frame compatibility. Typical applications include motor control centers and power distribution systems requiring Class J fuse protection.

Key Features & Specifications

• Type: Fusible safety switch, panel mount, QMB Series D2
• Voltage Rating: 600V AC
• Current Rating: 100A
• Dimensions: NEMA 1 enclosure (specific dimensions not provided)
• Standards: Industrial safety compliance for HED frame systems
• Applications: Motor control centers, power distribution panels
• Switch Type: Fusible
• Configuration: Single
• Poles: 2
• AIC rating: 200kA@480V
• Phase: 1
• Fuse Class: J
• Weight: 30 lb
• Compatible Frames: HED