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