Square D D325N - Fusible Disconnect Switch 400A 240V (3-Pole NEMA 1)

Square D D325N is a fusible safety disconnect switch designed for reliable circuit protection and isolation in industrial power distribution systems. This 400A rated switch operates at 240V AC with a 100kA interrupting capacity, providing robust short-circuit protection in three-phase configurations. The unit features a NEMA 1 enclosure measuring 24.88" W x 8.88" D x 45.12" H and weighs 52.16 lb, constructed for Class R fuse compatibility and accepting wire sizes from AWG 1/0 to 600 kcmil. UL listed and compliant with industry standards, this Series E disconnect is engineered for industrial applications requiring safe maintenance operations and circuit isolation in commercial and manufacturing facilities.

Key Features & Specifications

• Type: Fusible safety disconnect switch, Series E, Type D
• Voltage Rating: 240V AC
• Current Rating: 400A
• Dimensions: 24.88 in x 8.88 in x 45.12 in (WxDxH)
• Standards: UL listed
• Applications: Industrial power distribution, circuit isolation, maintenance safety
• Switch Type: Disconnect
• Configuration: Single
• Poles: 3
• Phase: 3
• AIC rating: 100kA@240V
• Fuse Class: R
• Wire Size: AWG 1/0 to 600KCmil Aluminum/Copper, AWG 1/0 to 300KCmil Aluminum/Copper
• Nema Rating: NEMA 1
• Compatible Frames: RLF
• Weight: 52.16 lb
• Country of Origin: United States

Product Identification

• UPC: 785901461555
• GTIN: 00785901461555