Square D D321N - Fusible Disconnect Switch 30A @ 240V AC (100kA AIC Rating)

Square D D321N is a fusible safety disconnect switch designed for industrial power distribution protection. This UL-listed, NEMA 1-rated switch features a 240V AC voltage rating with 30A current capacity and 100kA interrupting rating at 240V for reliable circuit isolation. The compact 7.25" x 3.63" x 9.25" (WxDxH) enclosure houses three poles in a single configuration with Class R fuse compatibility for Series E applications. Compliant with industrial safety standards, this Mexico-manufactured disconnect is engineered for three-phase electrical systems in manufacturing plants, commercial buildings, and heavy equipment installations where RLF frame compatibility is required.

Key Features & Specifications

• Type: Fusible safety disconnect switch (Type D)
• Voltage Rating: 240V AC
• Current Rating: 30A
• Dimensions: 7.25" x 3.63" x 9.25" (WxDxH)
• Standards: UL listed, NEMA 1
• Applications: Industrial power distribution, commercial buildings
• Switch Style: Fusible
• Configuration: Single
• Poles: 3
• Phase: 3
• AIC rating: 100kA@240V
• Fuse Class: R
• Compatible Frames: RLF
• Weight: 2.02 lb
• Country of Origin: Mexico

Product Identification

• UPC: 785901461036
• GTIN: 00785901000000