Siemens HF321S - Fusible Disconnect Switch 30A 240V (NEMA 4X 200kA AIC)

Siemens HF321S is a fusible safety disconnect switch designed for reliable circuit protection and isolation in industrial applications. The switch operates at 240V AC with a 30A current rating, providing robust electrical performance for three-phase systems. Its NEMA 4X rated enclosure measures 9.0 x 15.5 inches and weighs 20 lb, offering durable construction suitable for harsh environments. UL listed certification ensures compliance with industry safety standards, while the 200kA interrupting rating at 240V delivers superior fault current protection. This disconnect is commonly employed in industrial control panels, motor control centers, and power distribution systems requiring secure isolation capabilities.

Key Features & Specifications

• Type: Fusible safety disconnect switch, HF type, VBII Series
• Voltage Rating: 240V AC
• Current Rating: 30A
• Dimensions: 9.0 in x 15.5 in
• Standards: UL listed, NEMA 4X
• Applications: Industrial control panels, motor control centers, power distribution
• Switch Type: Disconnect
• Configuration: Single
• Phase: 3
• Poles: 3
• Protection: Circuit isolation and protection
• AIC rating: 200kA@240V
• Fuse Class: R
• Nema Rating: NEMA 4X
• Compatible Frames: MXP
• Weight: 20 lb
• Country of Origin: Mexico

Product Identification

• UPC: 783643150935
• GTIN: 00783643150935