Siemens HF321NR - Fusible Disconnect Switch, 30A 3P (200kA AIC)

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Siemens HF321NR is a fusible disconnect switch designed for providing a visible break and overcurrent protection in three-phase industrial power distribution systems. It is rated for 240V AC operation with a 30A current rating and features a 200kA interrupting capacity at 240V for robust short-circuit protection. The switch is constructed within a NEMA 3R rated enclosure measuring 14.91" x 7.88" x 9.18" and weighing 14 lb, and it is designed for use with Class R fuses. This UL-listed component complies with industry safety standards and is typically applied in motor control centers, industrial machinery, and HVAC systems where reliable isolation and protection are required.

Key Features & Specifications
  • Type: Fusible Disconnect Switch, VBII Series, HF type
  • Voltage Rating: 240V AC
  • Current Rating: 30A
  • Dimensions: 14.91" H x 7.88" W x 9.18" D
  • Standards: UL Listed, NEMA 3R Enclosure Rating
  • Applications: Industrial power distribution, motor control centers, machinery
  • Switch Type: Fusible
  • Configuration: Single
  • Phase: 3
  • Poles: 3
  • AIC Rating: 200kA @ 240V
  • Protection: Class R Fuse Compatible
  • Compatible Frames: MXP
  • Weight: 14 lb


Product Identification
  • UPC: 783643150683
  • GTIN: 00783643150683