Square D QSF4053-RED-ARC-CHUTE - Fusible Safety Switch 400A@600V (200kA AIC)
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Square D QSF4053-RED-ARC-CHUTE is a fusible safety switch designed for industrial power distribution protection. This 600VAC-rated panel-mount switch handles 400A continuous current with a 200kA interrupting capacity at 480V, featuring a rugged NEMA 1 enclosure weighing 135 lb. Its 3-pole single-configuration design complies with RK1/RK5 fuse class standards for reliable circuit isolation. The QSF series switch is engineered for heavy-duty applications including motor control centers and main service disconnects in commercial/industrial facilities.
Key Features & Specifications
Key Features & Specifications
- Type: Fusible safety switch with arc chute, panel-mounted
- Voltage Rating: 600V AC
- Current Rating: 400A
- Configuration: Single
- Poles: 3
- Phase: 3
- AIC Rating: 200kA @ 480V
- Fuse Class: RK1, RK5
- NEMA Rating: 1
- Weight: 135 lb
- Standards: UL/cUL listed
- Applications: Industrial power distribution, motor control centers, service disconnects
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