HU366NR Square D Safety Disconnect Switch non fusible, 600A 600V AC Nema 3R Outdoor rated - Essential Electric Supply
HU366NR Square D Safety Disconnect Switch non fusible, 600A 600V AC Nema 3R Outdoor rated - Essential Electric Supply

Square D HU366NR - Non-Fusible Safety Switch 600A 600V 3P

Square D
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Square D HU366NR is a heavy-duty non-fusible safety switch designed for isolating and de-energizing three-phase electrical circuits up to 600A in industrial and commercial applications. It features a 600V AC voltage rating and a robust 200kA interrupting capacity at 600V for reliable circuit protection. The switch is constructed within a NEMA 3R-rated enclosure measuring 1277.87 mm H x 708.15 mm W x 257.30 mm D and weighing 177.999 lb, ensuring durability for outdoor use where exposed to rain. It is UL-certified and accommodates wire sizes from AWG 3/0 to 500 Kcmil for both copper and aluminum conductors, making it suitable for service entrance and feeder disconnects in manufacturing plants and data centers.

Key Features & Specifications
  • Type: H-Type, Non-Fusible Safety Disconnect Switch
  • Voltage Rating: 600V AC
  • Current Rating: 600A
  • Configuration: Single
  • Poles: 3
  • Phase: 3-Phase
  • AIC Rating: 200kA @ 600V
  • Wire Size: AWG 3/0 to 500 Kcmil (Copper/Aluminum)
  • NEMA Rating: NEMA 3R
  • Certification: UL Listed
  • Dimensions: 1277.87 mm H x 708.15 mm W x 257.30 mm D (50.31 in x 27.88 in x 10.13 in)
  • Weight: 177.999 lb
  • Family: Series F
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901112211
  • GTIN: 00785901112211