Square D D325N - Fusible Safety Switch 400A @ 240V AC (100kA AIC, NEMA 1)

Square D D325N is a fusible safety switch designed for industrial power distribution and circuit protection. This UL-listed disconnect switch features a 400A current rating and 240V AC voltage rating, housed in a NEMA 1 enclosure measuring 24.88" W x 8.88" D x 45.12" H with a robust 52.16 lb steel construction. Compliant with industry standards, it offers 100kA interrupting capacity at 240V and accepts Class R fuses for reliable overload protection in three-phase systems. The switch is engineered for heavy-duty applications including motor control centers, industrial machinery, and power distribution panels, supporting wire sizes from AWG 1/0 to 600 kcmil for aluminum/copper conductors.

Key Features & Specifications

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

Product Identification

• UPC: 785901461555
• GTIN: 00785901000000