Square D H364NRB - 200A, 600V, Safety Switch, NEMA 3R

Square D H364NRB - 200A, 600V, Safety Switch, NEMA 3R isn’t just a switch; it’s a purpose-built power-disconnect solution engineered for reliability where it matters most—industrial floors, commercial facilities, and outdoor installations. It combines a secure on/off isolation with integrated overcurrent protection in a compact, maintainable fusible switch that keeps equipment safe and downtime minimal.

Key specifications:

• Model: H364NRB
• Amperage: 200 A
• Voltage: 600 V
• NEMA rating: 3R

Why this matters for your operation:

• Outdoor-ready reliability: NEMA 3R enclosure shields electronics from rain, dust, and temperature swings, making it suitable for exterior installs or harsh indoor environments.
• Clear, safe isolation: A dedicated disconnect point keeps operators and maintenance crews secure during service or fault conditions.
• Integrated protection: Fusible switch design provides immediate overcurrent protection at the point of use, helping to protect motors, panelboards, and branch circuits from damage.
• Compact and maintainable: The space-efficient footprint simplifies mounting, wiring, and future fuse changes without compromising accessibility.
• Versatile applications: Ideal for motor disconnects, panelboard assemblies, and branch-circuit protection where a dependable, rugged solution is needed.

Practical scenarios:

• Outdoor pump stations or belt-driven conveyors where a weatherproof disconnect is required.
• Industrial facilities needing a reliable main or section-disconnect feeding panelboards.
• Commercial building systems with branch circuits that demand tight protection at the source.

Pair this safety switch with compatible fusing and mounting accessories to tailor the protection and accessibility to your exact layout and codes. With the Square D name behind it, you’re choosing established reliability, precise electrical performance, and a disconnect you can trust under demanding workloads.