Square D D323N - Fusible Safety Switch 100A 3-Pole (240V AC)

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Square D D323N is a fusible safety switch designed for providing visible disconnection and overcurrent protection in three-phase industrial power distribution systems. It features a 100A current rating and 240V AC voltage rating, housed in a robust NEMA 1 enclosure with dimensions of 444.5 mm H x 266.7 mm W x 165.1 mm D and a weight of 15.75 lb. The switch is UL listed and engineered for a high 100kA interrupting capacity at 240V, ensuring reliable protection. Its construction accommodates R-class fuses and accepts copper or aluminum wire from #14 to #1/0 AWG, making it suitable for motor control centers, industrial machinery, and panelboards requiring a secure disconnect.

Key Features & Specifications
  • Type: Fusible safety disconnect switch, Series F, Type D
  • Voltage Rating: 240V AC
  • Current Rating: 100A
  • Dimensions: 444.5 mm H x 266.7 mm W x 165.1 mm D (17.5 in x 10.5 in x 6.5 in)
  • Standards: UL listed, NEMA 1 enclosure rating
  • Applications: Industrial power distribution, motor control centers, panelboards, machinery
  • Switch Style: Fusible
  • Configuration: Single
  • Phase: 3
  • Poles: 3
  • AIC Rating: 100kA @ 240V
  • Wire Size: #12 to #1/0 AWG (Aluminum) - #14 to #1/0 AWG (Copper)
  • Fuse Class: R
  • Compatible Frames: RLF
  • Weight: 15.75 lb
  • Country of Origin: United States


Product Identification
  • UPC: 785901461357
  • GTIN: 00785901461357