Square D H366R Disconnect Switch (Fusible) - Essential Electric Supply
Square D H366R - Fusible Safety Switch 600A 600V (NEMA 3R)
Square D H366R - Fusible Safety Switch 600A 600V (NEMA 3R)
Square D H366R Disconnect Switch (Fusible) - Essential Electric Supply
Square D H366R - Fusible Safety Switch 600A 600V (NEMA 3R)
Square D H366R - Fusible Safety Switch 600A 600V (NEMA 3R)

Square D H366R - Fusible Safety Switch 600A 600V (NEMA 3R)

Square D
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Square D H366R is a heavy-duty fusible safety switch designed for providing reliable circuit isolation and protection in demanding industrial power distribution applications. It is rated for 600A at 600V AC in a three-phase configuration, featuring a 200kA interrupting capacity at 600V to handle high fault currents. The robust NEMA 3R enclosure, measuring 1277.87 mm H x 708.15 mm W x 257.30 mm D and weighing 175.001 lb, is constructed for outdoor use and houses a three-pole, single-throw fusible disconnect mechanism utilizing Class R fuses. This UL-listed switch from the Series E family complies with critical industry safety standards and is engineered for use in industrial plants, data centers, and large commercial facilities where secure power isolation is required.

Key Features & Specifications
  • Type: H-Type, Fusible Safety Disconnect Switch
  • Voltage Rating: 600V AC
  • Current Rating: 600A
  • Configuration: Single, 3-Pole
  • Phase: 3
  • AIC Rating: 200kA @ 600V
  • Fuse Class: R
  • 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: 175.001 lb
  • Family: Series E
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901452010
  • GTIN: 00785901452010