Square D H326NR - Fusible Disconnect Switch 600A@240V (200kA AIC NEMA 3R)

Square D H326NR is a fusible safety disconnect switch designed for industrial power distribution systems requiring high-interrupting capacity protection. This UL-listed, NEMA 3R-rated switch handles 600A at 240V AC with a 200kA interrupting rating, featuring a rugged 3-pole single-throw configuration with Class R fuse compatibility. The unit's corrosion-resistant enclosure measures 27.88"W x 10.13"D x 50.31"H and weighs 81.65 lb, engineered for demanding environments with 4-wire termination capability. Compliant with UL safety standards, it's commonly deployed in manufacturing facilities, data centers, and heavy machinery applications where reliable circuit isolation is critical.

Key Features & Specifications

• Type: Fusible safety disconnect switch with quick-make/quick-break mechanism
• Voltage Rating: 240V AC
• Current Rating: 600A
• Dimensions: 27.88 x 10.13 x 50.31 inches (WxDxH)
• Standards: UL listed, NEMA 3R
• Applications: Industrial power distribution, motor control centers, HVAC systems
• Switch Style: Fusible
• Configuration: Single throw
• Poles: 3
• AIC rating: 200kA@240V
• Phase: 3
• Fuse Class: R
• Wire: 4
• Compatible Frames: JK
• Weight: 81.65 lb

Product Identification

• UPC: 78590145148
• GTIN: 00785901000000