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

Square D H366R is a heavy-duty fusible safety switch designed for industrial power isolation and circuit protection applications. This disconnect switch provides reliable 600A current interruption capability with a 600V AC voltage rating, housed in a robust NEMA 3R enclosure measuring 27.88 x 10.13 x 50.31 inches (WxDxH) and weighing 79.38 lb. UL listed for safety compliance, the switch features a 200kA interrupting capacity at 600V and utilizes Class R fuses for enhanced protection. Its 3-pole, 3-phase configuration makes it suitable for industrial power distribution systems, motor control centers, and heavy machinery applications requiring secure power isolation.

Key Features & Specifications

• Type: H-series fusible safety disconnect switch
• Voltage Rating: 600V AC
• Current Rating: 600A
• Dimensions: 27.88 in x 10.13 in x 50.31 in (WxDxH)
• Standards: UL listed, NEMA 3R enclosure rating
• Applications: Industrial power distribution, motor control centers, heavy machinery isolation
• Switch Type: Safety disconnect
• Configuration: Single
• Poles: 3
• AIC rating: 200kA@600V
• Switch Style: Fusible
• Nema Rating: NEMA 3R
• Phase: 3
• Fuse Class: R
• Weight: 79.38 lb
• Family: Series E
• Country of Origin: Mexico

Product Identification

• UPC: 785901452010
• GTIN: 00785901452010