H321DS Square D Series F Disconnect 240V 30A Fusible Switch - Essential Electric Supply
Square D H321DS - Fusible Disconnect, 30A 3P 240V (NEMA 4/4X)
Square D H321DS - Fusible Disconnect, 30A 3P 240V (NEMA 4/4X)
H321DS Square D Series F Disconnect 240V 30A Fusible Switch - Essential Electric Supply
Square D H321DS - Fusible Disconnect, 30A 3P 240V (NEMA 4/4X)
Square D H321DS - Fusible Disconnect, 30A 3P 240V (NEMA 4/4X)

Square D H321DS - Fusible Disconnect, 30A 3P 240V (NEMA 4/4X)

Square D
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Square D H321DS is a fusible safety switch designed for providing a visible disconnect and overcurrent protection in industrial three-phase power circuits. It is rated for 240V AC systems with a 30A current capacity and features a 200kA interrupting rating at 240V for robust short-circuit protection. The switch is constructed within a durable NEMA 4/4X enclosure measuring 14.93 in (379.22 mm) H x 7.22 in (183.39 mm) W x 5.11 in (129.79 mm) D and weighing 13.541 lb, and it accepts Class R fuses. This device complies with industry standards for safety disconnects and is typically applied in motor control centers, industrial machinery, and HVAC systems where reliable isolation is critical.

Key Features & Specifications
  • Type: Fusible safety disconnect switch, Series F, Type H
  • Voltage Rating: 240V AC
  • Current Rating: 30A
  • Dimensions: 14.93 in (379.22 mm) H x 7.22 in (183.39 mm) W x 5.11 in (129.79 mm) D
  • Standards: NEMA 4/4X enclosure rating
  • Applications: Industrial machinery, motor control centers, HVAC systems
  • Switch Type: Fusible Disconnect
  • Configuration: Single
  • Poles: 3
  • AIC rating: 200kA@240V
  • Phase: 3
  • Fuse Class: R
  • Wire Size: AWG 12...AWG 6 aluminium, AWG 14...AWG 6 copper
  • Weight: 13.541 lb


Product Identification
  • UPC: 78590102360
  • GTIN: 00785901023609