Square D H366R - Fusible Disconnect Switch 600A 600V (NEMA 3R 200kA AIC)

Square D H366R is a fusible safety disconnect switch designed for high-current circuit protection in industrial power distribution systems. This UL-listed NEMA 3R-rated switch handles 600V ACV with a 600A current rating and 200kA@600V interrupting capacity, featuring a rugged 79.38 lb steel enclosure measuring 27.88"W x 10.13"D x 50.31"H. Compliant with UL standards, its three-pole single-configuration design with Class R fuse compatibility ensures reliable operation in harsh environments. The Series E switch is engineered for main power isolation in manufacturing facilities, data centers, and heavy machinery applications.

Key Features & Specifications

• Type: Fusible safety disconnect switch (Series E, Type H)
• Voltage Rating: 600V ACV
• Current Rating: 600A
• Dimensions: 27.88 x 10.13 x 50.31 inches (WxDxH)
• Standards: UL listed, NEMA 3R
• Applications: Industrial power distribution, machinery control
• Switch Style: Fusible
• Configuration: Single
• Poles: 3
• Phase: 3
• AIC rating: 200kA@600V
• Fuse Class: R
• Weight: 79.38 lb
• Enclosure: Steel

Product Identification

• UPC: 785901452010
• GTIN: 00785901000000