Square D DU323RB - Non-Fusible Disconnect Switch 100A 240V 3-Pole (NEMA 3R)

Square D DU323RB is a heavy-duty safety disconnect switch designed for reliable circuit isolation and load-breaking capabilities in industrial applications. This 3-pole switch operates at 240V AC with a 100A current rating and features a robust NEMA 3R rated enclosure suitable for outdoor installations. The non-fusible design accommodates copper wiring from 14 to 1/0 AWG and aluminum wiring from 12 to 1/0 AWG, housed in a compact 10.5" x 6.5" x 17.5" (WxDxH) configuration weighing 25 lb. UL listed for safety compliance, it delivers 100kA interrupting capacity at 240V and is compatible with NSE frame systems, making it ideal for motor control centers, industrial machinery, and power distribution panels requiring secure disconnection means.

Key Features & Specifications

• Type: Non-fusible safety disconnect switch, Series E family
• Voltage Rating: 240V AC
• Current Rating: 100A
• Dimensions: 10.5 in x 6.5 in x 17.5 in (WxDxH)
• Standards: UL listed, NEMA 3R rated
• Applications: Industrial power distribution, motor control centers, machinery disconnects
• Switch Type: Disconnect
• Configuration: Single
• Poles: 3
• Phase: 3
• AIC rating: 100kA@240V
• Wire Size: 12 - 1/0 AWG (Aluminium), 14 - 1/0 AWG (Copper)
• Compatible Frames: NSE
• Switch Style: Non-Fusible
• Nema Rating: NEMA 3R
• Weight: 25 lb
• Country of Origin: United States

Product Identification

• UPC: 785901491828
• GTIN: 00785901491828