Square D QSF4033 - Fusible Safety Switch 400A 3-Pole (240V AC, RK1/RK5 Class)
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Square D QSF4033 is a 3-pole fusible safety switch designed for industrial power distribution and circuit protection. This panel-mounted unit features a 400A current rating and 240V voltage capacity with RK1/RK5 fuse class compatibility for robust overload protection. The heavy-duty construction weighs 200 lb with a single-configuration design, engineered for ED frame compatibility in three-phase systems. It meets industry standards for fusible disconnect applications in commercial and industrial environments.
Key Features & Specifications
Key Features & Specifications
- Type: Fusible safety switch, panel mount, QSF series
- Voltage Rating: 240V AC
- Current Rating: 400A
- Configuration: Single
- Poles: 3
- Phase: 3
- Fuse Class: RK1, RK5
- Compatible Frames: ED
- Switch Style: Fusible
- Weight: 200 lb
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