Square D H321DS - Fusible Safety Switch 30A (200kA@240V NEMA 4X)

Square D H321DS is a fusible safety switch designed for industrial power distribution systems requiring high-interrupting capacity protection. This 3-pole disconnect switch handles 30A at 240V AC with a 200kA interrupting rating, housed in a NEMA 4/4X-rated enclosure for dust-tight and water-resistant operation. The rugged construction features Class R fuse compatibility and a single-configuration design with bolted pressure contacts for reliable performance. Compliant with UL and CSA standards, it's engineered for demanding applications including motor control centers, HVAC systems, and heavy machinery power distribution.

Key Features & Specifications

• Type: Fusible safety switch with bolted pressure contacts
• Voltage Rating: 240V AC
• Current Rating: 30A
• Configuration: Single
• Poles: 3
• AIC Rating: 200kA@240V
• Fuse Class: R
• NEMA Rating: 4/4X (dust-tight, water-resistant)
• Phase: 3
• Weight: 6.14 lb
• Standards: UL/CSA listed
• Applications: Motor control centers, industrial power distribution, HVAC systems

Product Identification

• UPC: 78590102360
• GTIN: 00785901023609