Square D DU323 - Non-Fusible Disconnect Switch 100A 3-Pole (240V AC, 100kA AIC)

Square D DU323 is a non-fusible safety disconnect switch designed for reliable circuit isolation and load-breaking operations in industrial applications. It features a 240V AC voltage rating with 100A current capacity and three-pole single configuration for three-phase systems. The switch is constructed with durable NEMA 1 enclosure measuring 10.5" x 6.5" x 17.5" (WxDxH) and weighs 6.35 lb, accommodating wire sizes from #12 to #1/0 AWG aluminum and #14 to #1/0 AWG copper. UL listed certification ensures compliance with industry safety standards, while its 100kA@240V AIC rating provides robust fault current protection. Typical applications include motor control centers, industrial machinery, and electrical distribution systems where safe maintenance isolation is required.

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
• Applications: Industrial machinery, motor control centers, electrical distribution systems
• Switch Type: Non-Fusible
• Configuration: Single
• Poles: 3
• Phase: 3
• AIC rating: 100kA@240V
• Nema Rating: NEMA 1
• Wire Size: #12 to #1/0 AWG Aluminum, #14 to #1/0 AWG Copper
• Weight: 6.35 lb
• Country of Origin: United States

Product Identification

• UPC: 785901491804
• GTIN: 00785901491804