Square D H366N - Fusible Disconnect Switch 600A 600V (200kA AIC @600V)

Square D H366N is a fusible safety disconnect switch designed for high-current industrial power distribution systems. This UL-listed NEMA 1-rated switch features a 600V AC voltage rating and 600A current capacity with a 200kA interrupting rating at 600V for robust circuit protection. The heavy-duty construction measures 27.63"W x 10.13"D x 50.25"H and weighs 79.38 lb, built with Class R fuse compatibility and three-pole single configuration for three-phase systems. Compliant with UL standards, it accommodates 500 kcmil copper or 3/0 aluminum conductors, making it suitable for industrial plants, manufacturing facilities, and large commercial electrical systems requiring reliable load interruption.

Key Features & Specifications

• Type: Fusible safety disconnect switch (Series E, Type H)
• Voltage Rating: 600V AC
• Current Rating: 600A
• Dimensions: 27.63 x 10.13 x 50.25 inches (WxDxH)
• Standards: UL listed, NEMA 1 enclosure
• Applications: Industrial power distribution, manufacturing plants
• Switch Style: Fusible
• Configuration: Single
• Poles: 3
• Wire Size: 500 kcmil (Copper) / AWG 3/0 (Aluminum)
• AIC rating: 200kA@600V
• Phase: 3
• Fuse Class: R
• Weight: 79.38 lb
• Country of Origin: Mexico

Product Identification

• UPC: 785901451990
• GTIN: 00785901000000