Siemens HF321NX - Fusible Safety Switch 3-Pole (200kA@240V, NEMA 4X)

Siemens HF321NX is a heavy-duty industrial disconnect switch designed for safe power isolation in high-current applications. This 3-pole switch features a 240V voltage rating and 30A current capacity with a 200kA interrupting rating at 240V for robust circuit protection. The NEMA 4X-rated enclosure provides corrosion-resistant durability, while the R-class fuse compatibility and MXP frame design ensure reliable performance in demanding environments. Compliant with industrial safety standards, this single-configuration switch is engineered for three-phase power distribution systems, motor control centers, and industrial machinery requiring secure disconnection.

Key Features & Specifications

• Type: 3-pole fusible safety switch with NEMA 4X enclosure
• Voltage Rating: 240V AC
• Current Rating: 30A
• Configuration: Single
• Poles: 3
• Phase: 3
• AIC Rating: 200kA@240V
• Fuse Class: R
• Wire Size: 4 AWG
• Compatible Frames: MXP
• NEMA Rating: 4X
• Weight: 30 lb

Product Identification

• UPC: 78364345165
• GTIN: 00783643451650