Square D H364RB - 200A, 600V, Disconnect Switch

When reliable isolation and dependable overcurrent protection are non-negotiable in industrial or commercial environments, the Square D H364RB 200A, 600V Disconnect Switch delivers. This robust fusible switch is designed to provide clear, deliberate on/off control while safeguarding equipment and wiring in demanding applications.

Key advantages you’ll notice

• High current capability: 200A continuous rating handles substantial motor loads and branch circuits with confidence.
• Wide voltage range: Rated up to 600V, making it suitable for a variety of distribution configurations in industrial facilities.
• Fusible protection: Integrates with compatible fuses to deliver reliable overcurrent protection and selective coordination for superior circuit safety.
• Compact yet capable: A space-saving footprint that fits panelboards and restricted installations without sacrificing performance.
• Maintenance-friendly design: Built for accessible inspection and straightforward maintenance, reducing downtime during servicing.
• Versatile installation: Ideal for motor disconnects, panelboards, and branch circuit protection where a dedicated, maintainable disconnect is needed.

What problems does it solve?

In environments where motors, feeders, or branch circuits demand dependable isolation, the H364RB provides a definitive open state for safe maintenance and servicing while delivering protective disconnect capability. It helps prevent accidental energization, limits arc exposure during switching, and supports clear, intentional de-energization of circuits when work is performed or faults occur.

Who is this product ideal for?

• Facilities engineers and maintenance teams managing motor loads and distribution panels in manufacturing, processing, and large commercial spaces.
• Electrical contractors seeking a reliable, space-efficient fusible disconnect for retrofits or new installations.
• Panel builders needing a robust, maintainable disconnect switch to accompany their panelboard assemblies.

Use cases and practical applications

• Motor disconnects at the point of control for large equipment, enabling safe servicing with clearly isolated circuits.
• Branch circuit protection in distribution panels where precise current limiting and protection coordination are required.
• Space-constrained panel installations that still demand a rugged, durable disconnect with easy maintenance access.

Installation and maintenance tips

• Pair the H364RB with the appropriate fuse type and rating specified for your load to ensure correct overcurrent protection.
• Verify all connection points are clean and torqued to manufacturer recommendations to maintain reliable switching performance.
• Incorporate the disconnect into a clear maintenance plan, including regular visual inspections and fuse condition checks.
• Follow all local electrical codes and safety practices during installation and servicing to ensure compliant, safe operation.

Technical snapshot

• H364RB
• Amperage rating: 200A
• Voltage rating: 600V
• Type: Fusible disconnect switch
• Recommended applications: Motor disconnects, panelboards, branch circuit protection

Choose the Square D H364RB when you need a dependable, maintainable disconnect switch that combines a compact form with serious protection capability. It’s a practical, field-ready solution for isolating critical circuits and safeguarding equipment in challenging industrial and commercial environments.