Square D QMB2640MJ - Fusible Safety Switch 400A@600V (200kA AIC)
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Square D QMB2640MJ is a panel-mounted fusible safety switch designed for industrial power distribution protection. This 600V AC-rated switch handles 400A continuous current with a 200kA interrupting capacity at 480V, featuring a rugged NEMA 1 enclosure and Class J fuse compatibility. The single-configuration, 2-pole design weighs 65 lb and integrates with HED frames for standardized installations. UL-listed and compliant with industrial safety standards, it provides reliable circuit isolation in manufacturing plants, data centers, and heavy machinery applications.
Key Features & Specifications
Key Features & Specifications
- Type: QMB Saflex fusible safety switch, panel mount
- Voltage Rating: 600V AC
- Current Rating: 400A
- Dimensions: Standard HED frame compatible
- Standards: UL listed, NEMA 1 enclosure
- Applications: Industrial power distribution, machinery protection
- Switch Type: Fusible safety switch
- Configuration: Single
- Poles: 2
- AIC rating: 200kA@480V
- Fuse Class: J
- Phase: 1
- Weight: 65 lb
- Compatible Frames: HED
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