Square D D326NR - Fusible Disconnect Switch 600A@240V (100kA AIC, NEMA 3R)

Square D D326NR is a fusible safety disconnect switch designed for industrial power distribution systems requiring reliable circuit protection. This UL-listed, 3-pole switch operates at 240V AC with a 600A current rating and 100kA AIC interrupting capacity for robust fault protection. The NEMA 3R-rated enclosure (25.13" x 8.88" x 49.13") houses Class R fuse compatibility and accepts AWG 4 to 500 kcmil aluminum/copper conductors. Compliant with industrial safety standards, this Series E disconnect is engineered for three-phase applications in manufacturing plants, data centers, and heavy machinery installations.

Key Features & Specifications

• Type: Fusible safety disconnect switch with NEMA 3R enclosure
• Voltage Rating: 240V AC
• Current Rating: 600A
• Dimensions: 25.13" W x 8.88" D x 49.13" H (638mm x 226mm x 1248mm)
• Standards: UL listed, compatible with RLF frames
• Applications: Industrial power distribution, motor control centers
• Switch Style: Fusible
• Configuration: Single
• Poles: 3
• Wire Size: AWG 4 to 500 kcmil (Aluminum/Copper)
• AIC Rating: 100kA@240V
• Fuse Class: R
• Phase: 3
• Weight: 53.07 lb (24.07 kg)
• Country of Origin: Canada

Product Identification

• UPC: 785901461661
• GTIN: 00785901000000