Square D D321N - Fusible Disconnect Switch 30A 3-Pole (240V AC, 100kA AIC)

The Square D D321N is a fusible safety disconnect switch designed for reliable circuit protection and isolation in industrial applications. It features a 240V AC voltage rating and 30A current rating with 3-pole single configuration for three-phase systems. The switch measures 7.25 x 3.63 x 9.25 inches (WxDxH) and weighs 2.02 lb, constructed with NEMA 1 rated enclosure for indoor use. UL listed certification ensures compliance with safety standards, while the 100kA@240V AIC rating provides high interrupting capacity. This disconnect is compatible with RLF frames and utilizes Class R fuses for comprehensive protection in motor control centers and industrial power distribution systems.

Key Features & Specifications

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

Product Identification

• UPC: 785901461036
• GTIN: 00785901461036