Square D H366DS - Fusible Disconnect Switch 600A 600V (200kA AIC Rating)

Square D H366DS is a heavy-duty disconnect switch designed for industrial power isolation and circuit protection in high-capacity electrical systems. This 600V, 600A rated switch features a robust 3-pole fusible configuration with Class R fuse compatibility and an impressive 200kA interrupting capacity at 600V for reliable fault protection. Constructed with durable NEMA 5 rated enclosure measuring 26.25 x 10.13 x 46.25 inches (WxDxH) and weighing 75.3 lb, it accommodates copper or aluminum conductors from AWG 3/0 to 500 kcmil. The switch complies with industrial safety standards and is designed for demanding applications including motor control centers, industrial machinery, and power distribution systems where reliable circuit isolation is critical.

Key Features & Specifications

• Type: Heavy-duty industrial disconnect switch, fusible operation
• Voltage Rating: 600V AC
• Current Rating: 600A
• Dimensions: 26.25 in x 10.13 in x 46.25 in (WxDxH)
• Weight: 75.3 lb
• Standards: NEMA 5 rated
• Applications: Industrial power distribution, motor control centers, machinery isolation
• Switch Type: Fusible disconnect
• Configuration: Single unit
• Poles: 3
• Phase: 3-phase
• Amperage: 600A
• AIC rating: 200kA@600V
• Connection: Wire size AWG 3/0 to 500 kcmil, Copper/Aluminum
• Protection: Circuit isolation and fault protection
• Fuse Class: R
• Family: Series E
• Mounting: Industrial panel mounting
• Country of Origin: United States

Product Identification

• UPC: 785901259435
• GTIN: 00785901259435