Square D QSF4033-RED-ARC-CHUTE - Fusible Safety Switch 400A@240V (200kA AIC)
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Square D QSF4033-RED-ARC-CHUTE is a fusible safety switch designed for high-current industrial power distribution protection. This 3-phase panel-mount unit features a 400A current rating and 240V voltage rating with a 200kA interrupting capacity at 480V, housed in a rugged NEMA 1 enclosure weighing 135 lb. The RK1/RK5 fuse-class switch employs a single-configuration arc chute mechanism for safe interruption of fault currents. It complies with industrial safety standards for heavy-duty electrical systems, typically deployed in manufacturing plants and utility substations requiring robust circuit protection.
Key Features & Specifications
Key Features & Specifications
- Type: Fusible safety switch with arc chute mechanism
- Voltage Rating: 240V AC
- Current Rating: 400A
- Configuration: Single
- Poles: 3
- AIC Rating: 200kA@480V
- Fuse Class: RK1, RK5
- NEMA Rating: 1
- Phase: 3
- Weight: 135 lb
- Switch Style: Fusible
- Standards: Industrial electrical safety compliance
- Applications: Industrial power distribution, manufacturing facilities, substations
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