Square D DU323RB is a non-fusible safety disconnect switch designed for industrial power distribution systems requiring reliable load interruption. This UL-listed switch features a 240V AC voltage rating with 100A current capacity and 100kA@240V AIC rating for robust short-circuit protection. Its NEMA 3R-rated enclosure measures 10.5" x 6.5" x 17.5" (WxDxH) with 25 lb weight, accommodating 12-1/0 AWG aluminum or 14-1/0 AWG copper wiring in a 3-pole single configuration. Compliant with UL standards and compatible with NSE frames, this Series E disconnect is engineered for three-phase applications requiring durable outdoor-rated switching solutions.
Key Features & Specifications
- Type: Non-fusible safety disconnect switch, Series E, DU type
- Voltage Rating: 240V AC
- Current Rating: 100A
- Dimensions: 10.5" x 6.5" x 17.5" (WxDxH)
- Standards: UL listed, NEMA 3R enclosure rating
- Applications: Industrial power distribution, three-phase systems
- Configuration: Single
- Poles: 3
- Wire Size: 12-1/0 AWG (Aluminum), 14-1/0 AWG (Copper)
- AIC Rating: 100kA@240V
- Phase: 3
- Compatible Frames: NSE
- Weight: 25 lb
- Country of Origin: United States
Product Identification
- UPC: 785901491828
- GTIN: 00785901000000