Square D DTU321 - Non-Fusible Safety Disconnect Switch 30A 240V AC (3-Pole, 200kA AIC)

Square D DTU321 is a non-fusible safety disconnect switch designed for reliable circuit isolation and load-breaking operations in industrial applications. This 3-pole switch operates at 240V AC with a 30A current rating and features a robust 200kA interrupting capacity at 240V for superior short-circuit protection. Constructed with a NEMA 1 enclosure measuring 11.96" x 6.93" x 29.94" (WxDxH) and weighing 15.89 lb, it accommodates wire sizes from AWG 12 to AWG 2 for aluminum and AWG 14 to AWG 2 for copper conductors. UL listed for safety compliance, this Series F disconnect is compatible with RLF frames and supports H, K, R, J, and T fuse classes when used with external protection. Typical applications include motor control centers, industrial machinery, and electrical distribution systems requiring secure power disconnection.

Key Features & Specifications

• Type: Non-fusible safety disconnect switch, Series F, DTU type
• Voltage Rating: 240V AC
• Current Rating: 30A
• Dimensions: 11.96 in x 6.93 in x 29.94 in (WxDxH)
• Standards: UL listed, NEMA 1 rated
• Applications: Industrial machinery, motor control centers, electrical distribution systems
• Switch Type: Non-Fusible
• Configuration: Single
• Poles: 3
• Phase: 3
• AIC rating: 200kA@240V
• Wire Size: AWG 12 to AWG 2 Aluminum, AWG 14 to AWG 2 Copper
• Fuse Class: H, K, R, J, T
• Compatible Frames: RLF
• Nema Rating: NEMA 1
• Weight: 15.89 lb
• Country of Origin: United States

Product Identification

• UPC: 78590117453
• GTIN: 00785901174530