Square D H364RB 200A 3P 600V Safety Switch, NEMA 3R, Fusible | AmpState

The Square D H364RB 200A 3P 600V Safety Switch is built for dependable, at-a-glance equipment isolation in everyday electrical work. Designed as a point-of-use disconnect, this NEMA 3R fusible switch keeps your system safe during maintenance while helping you preserve a clean BOM by matching the original part number.

Why this safety switch stands out

• Reliable three-pole protection at a robust 200 A, delivering solid control for three-phase circuits without compromising performance.
• 600V rated capability makes it suitable for a wide range of industrial and commercial applications, from feeders to motor circuits.
• NEMA 3R enclosure stands up to outdoor and adverse environments, providing weather resistance for installations exposed to the elements.
• Fusible design enables integrated overcurrent protection through replaceable fuses, supporting coordinated protection strategies within your electrical system.
• OEM-friendly replacement with BOM alignment in mind—keeps your spare part inventory and service parts organized around the original part number.
• AmpState availability ensures you can source authentic Square D parts when you need them, with support for compatibility verification.

Ideal use cases

• Equipment disconnect and isolation at the point of use for maintenance on industrial machinery, conveyors, or processing lines.
• Outdoor or semi-enclosed installations where weather resistance is a factor, such as building exterior panels, yard equipment, or protected outdoor enclosures.
• Replacement projects where maintaining BOM continuity is important for procurement, service records, and spare parts planning.

What problems it solves

• Provides a safe, clearly defined means to disconnect power quickly during service, reducing downtime and exposure to live circuits.
• Offers a durable, weather-rated solution that minimizes maintenance interruptions in harsh environments.
• Supports precise overcurrent protection via fusible elements, enabling selective coordination with upstream protection schemes.

Specifications at a glance

• Part number: H364RB
• Manufacturer: Square D
• Amperage: 200 A
• Poles: 3
• Voltage: 600 V
• Enclosure: NEMA 3R (outdoor-rated)
• Type: Fusible safety switch
• Availability: AmpState

Practical tips for installation and compatibility

• Verify these specifications align with your system’s voltage, current, and environmental conditions before replacing an existing disconnect.
• Use alongside appropriately rated fuses to ensure complete circuit protection and proper coordination with upstream devices.
• When ordering, consider keeping a spare H364RB on hand for maintenance windows and BOM alignment with the original equipment.
• If you’re unsure about fit or compatibility, AmpState now offers support to help confirm that H364RB matches your equipment and installation needs.

Choose the Square D H364RB for a trustworthy, code-conscious, and BOM-friendly solution that delivers reliable isolation, outdoor resilience, and practical overcurrent protection in a single fusible safety switch.