Square D DTU321 - Non-Fusible Disconnect 30A 240V 3P
Square D DTU321 - Non-Fusible Disconnect 30A 240V 3P
Square D DTU321 - Non-Fusible Disconnect 30A 240V 3P
Square D DTU321 - Non-Fusible Disconnect 30A 240V 3P
Square D DTU321 - Non-Fusible Disconnect 30A 240V 3P
Square D DTU321 - Non-Fusible Disconnect 30A 240V 3P

Square D DTU321 - Non-Fusible Disconnect 30A 240V 3P

Square D
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Square D DTU321 is a non-fusible safety disconnect switch designed for isolating three-phase electrical circuits in industrial applications. It provides a visible break for safety during maintenance and is rated for 30A at 240V AC with an interrupting capacity of 200kA. The unit is constructed in a NEMA 1 enclosure measuring 29.94 in (760.48 mm) H x 11.96 in (303.78 mm) W x 6.93 in (176.02 mm) D and weighs 35.04 lb. It is UL listed and compatible with H, K, R, J, and T fuse classes when used with separate fuse holders, and is typically applied in motor control centers and industrial power distribution panels.

Key Features & Specifications
  • Type: Non-Fusible Disconnect Switch, DTU Type, Single Configuration
  • Voltage Rating: 240V AC
  • Current Rating: 30A
  • Phase: 3
  • Poles: 3
  • AIC Rating: 200kA @ 240V
  • Dimensions: 29.94 in H x 11.96 in W x 6.93 in D (760.48 mm x 303.78 mm x 176.02 mm)
  • Weight: 35.04 lb
  • Wire Size: AWG 12 to 2 Aluminum, AWG 14 to 2 Copper
  • NEMA Rating: NEMA 1
  • Switch Style: Non-Fusible
  • Fuse Class Compatibility: H, K, R, J, T
  • Certification: UL Listed
  • Compatible Frames: RLF
  • Family: Series F
  • Country of Origin: United States


Product Identification
  • UPC: 78590117453
  • GTIN: 00785901174530