Square D DU323RB - Non-Fusible Disconnect 100A 240V 3P

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The Square D DU323RB is a heavy-duty, non-fusible safety disconnect switch designed for the safe isolation of three-phase electrical circuits in industrial and commercial applications. It is rated for 100A at 240V AC with a high interrupting capacity of 100kA, housed in a robust NEMA 3R enclosure measuring 444.5 mm H x 266.7 mm W x 165.1 mm D and weighing 14.989 lb for outdoor durability. This UL-listed switch features a three-pole, single-throw configuration compatible with NSE frames and accepts copper wire sizes from 14 to 1/0 AWG or aluminum from 12 to 1/0 AWG, ensuring reliable performance and compliance with industry safety standards for motor control and main power disconnection.

Key Features & Specifications
  • Type: Non-Fusible Disconnect Switch, Series E, DU Type
  • Voltage Rating: 240V AC
  • Current Rating: 100A
  • Phase: 3
  • Configuration: Single Throw
  • Poles: 3
  • AIC Rating: 100kA @ 240V
  • NEMA Rating: NEMA 3R
  • Wire Size: 12 - 1/0 AWG (Aluminium), 14 - 1/0 AWG (Copper)
  • Dimensions: 17.5 in (444.5 mm) H x 10.5 in (266.7 mm) W x 6.5 in (165.1 mm) D
  • Weight: 14.989 lb
  • Certification: UL Listed
  • Compatible Frames: NSE
  • Country of Origin: United States


Product Identification
  • UPC: 785901491828
  • GTIN: 00785901491828