Square D H366 Disconnect Switch (Fusible) - Essential Electric Supply
Square D H366 - Fusible Disconnect 600A 600V 3-Pole
Square D H366 - Fusible Disconnect 600A 600V 3-Pole
Square D H366 Disconnect Switch (Fusible) - Essential Electric Supply
Square D H366 - Fusible Disconnect 600A 600V 3-Pole
Square D H366 - Fusible Disconnect 600A 600V 3-Pole

Square D H366 - Fusible Disconnect 600A 600V 3-Pole

Square D
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Square D H366 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 600V AC voltage rating, engineered within a robust NEMA 1 enclosure measuring 1276.35 mm H x 701.80 mm W x 257.30 mm D and weighing 179 lb. The switch is UL listed and offers a high 200kA interrupting capacity at 600V, ensuring compliance with critical safety standards for use in motor control centers, industrial machinery, and power distribution systems.

Key Features & Specifications
  • Type: H-Series, Fusible Disconnect Safety Switch
  • Voltage Rating: 600V AC
  • Current Rating: 600A
  • Configuration: Single, 3-Pole
  • Dimensions: 1276.35 mm H x 701.80 mm W x 257.30 mm D (50.25 in x 27.63 in x 10.13 in)
  • Weight: 179 lb
  • Standards: UL Listed
  • Applications: Industrial power distribution, motor control, machinery isolation
  • Switch Style: Fusible
  • Fuse Class: R
  • Phase: 3
  • AIC Rating: 200kA @ 600V
  • NEMA Rating: NEMA 1
  • Wire Size: #3/0 to 500 kcmil (Aluminum/Copper)
  • Family: Series E
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901451891
  • GTIN: 00785901451891