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