Square D D325NR - Fusible Safety Switch 400A 3-Pole (NEMA 3R, 100kA AIC)

Square D D325NR is a heavy-duty fusible safety switch designed for reliable circuit isolation and protection in industrial applications. This disconnect switch features a 400A current rating and 240V AC voltage rating for robust electrical performance in demanding environments. Constructed with a NEMA 3R rated enclosure measuring 22.25" x 10.13" x 30.63" (WxDxH) and weighing 31.74 lb, it accommodates Class R fuses and supports wire sizes from AWG 10 to AWG 6 for both aluminum and copper conductors. UL listed certification ensures compliance with industry safety standards, while the 100kA@240V AIC rating provides superior fault current protection. Typical applications include industrial power distribution, motor control centers, and main service disconnects where three-phase circuit protection is required.

Key Features & Specifications

• Type: Fusible safety disconnect switch, Series E, Type D
• Voltage Rating: 240V AC
• Current Rating: 400A
• Dimensions: 22.25 in x 10.13 in x 30.63 in (WxDxH)
• Standards: UL listed, NEMA 3R
• Applications: Industrial power distribution, motor control centers, main service disconnects
• Switch Type: Fusible
• Configuration: Single
• Phase: 3
• Amperage: 400A
• AIC rating: 100kA@240V
• Connection: Wire Size AWG 10 to AWG 6 Aluminum/Copper
• Poles: 3
• Protection: Class R fuse compatible
• Frame Size: Compatible with RLF frames
• Nema Rating: NEMA 3R
• Certification: UL listed
• Compatible Frames: RLF
• Weight: 31.74 lb
• Country of Origin: United States

Product Identification

• UPC: 78590146157
• GTIN: 00785901461579