H321NDS - Essential Electric Supply
H321NDS - Essential Electric Supply

Square D H321NDS - Safety Switch 200A 600V (NEMA 1)

Square D
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Square D H321NDS is a heavy-duty safety switch designed for providing visible disconnect and isolation in industrial power distribution systems. It is rated for 600V AC and 200A, ensuring reliable circuit interruption under load. The switch features a rugged NEMA 1 enclosure with dimensions of 379.22 mm x 183.39 mm x 129.79 mm (H x W x D) and a weight of 12.5 lb, constructed for durability in demanding environments. It is UL certified and designed for compatibility with NSE panelboards, meeting key industry safety standards for applications such as motor control centers, machinery, and main service disconnects.

Key Features & Specifications
  • Type: Heavy-duty safety disconnect switch with visible blade operation
  • Voltage Rating: 600V AC
  • Current Rating: 200A
  • Dimensions: 14.93 in (379.22 mm) H x 7.22 in (183.39 mm) W x 5.11 in (129.79 mm) D
  • Weight: 12.5 lb
  • Standards: UL Certified
  • Applications: Main service disconnects, motor control centers, industrial machinery isolation
  • Wire Size: Accepts AWG 12 to AWG 6 Aluminum, AWG 14 to AWG 6 Copper
  • Compatible Frames: NSE panelboards
  • Enclosure: NEMA 1


Product Identification
  • UPC: 78590169411
  • GTIN: 00785901694113