Square D D326N Disconnect Switch (Fusible) - Essential Electric Supply
Square D D326N Disconnect Switch (Fusible) - Essential Electric Supply

Square D D326N - Fusible Disconnect 600A 3P (100kA AIC)

Square D
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Square D D326N is a heavy-duty fusible safety switch designed for providing reliable circuit isolation and protection in demanding three-phase industrial applications. It features a 600A current rating and a 240V AC voltage rating, engineered within a robust NEMA 1 enclosure measuring 1146.05 mm H x 631.95 mm W x 225.55 mm D and weighing 127 lb. The switch is UL listed and offers a high 100kA interrupting capacity at 240V, ensuring compliance with critical safety standards for industrial power distribution, motor control centers, and main service disconnects.

Key Features & Specifications
  • Type: Fusible Disconnect Safety Switch, Series E, Type D
  • Voltage Rating: 240V AC
  • Current Rating: 600A
  • Configuration: Single, 3-Pole
  • Phase: 3
  • AIC Rating: 100kA @ 240V
  • Fuse Class: R
  • Wire Size: AWG 4 to 500 Kcmil, Aluminum/Copper
  • NEMA Rating: NEMA 1
  • Dimensions: 1146.05 mm H x 631.95 mm W x 225.55 mm D (45.12 in x 24.88 in x 8.88 in)
  • Weight: 127 lb
  • Standards: UL Listed
  • Compatible Frames: RLF
  • Applications: Industrial power distribution, main service disconnects, motor control centers


Product Identification
  • UPC: 785901461623
  • GTIN: 00785901461623