Square D HU364AWK 200A 3P 600V Safety Switch, NEMA 3R, Fusible, Non-Fusible | AmpState

When you need a dependable equipment disconnect at the point of use, the Square D HU364AWK 200A 3P 600V Safety Switch delivers premium reliability for demanding environments. Designed for everyday electrical work, this NEMA 3R switch supports both fusible and non-fusible configurations, letting you match protection and BOM requirements without compromising performance.

Key specifications

• Manufacturer: Square D
• Part number: HU364AWK
• Type: Safety switch for equipment disconnect and isolation
• Amperage: 200 A
• Poles: 3
• Voltage: 600 V
• Enclosure rating: NEMA 3R (outdoor/semi-exposed environments)
• Configuration: Fusible or Non-Fusible

Why this matters

With a robust 200 A, 3-pole design, this safety switch handles heavy loads typical in industrial settings while providing safe, code-compliant isolation. The NEMA 3R enclosure ensures reliable operation in rain, dust, and outdoor installations. The flexible fusible/non-fusible configuration lets you preserve a single BOM while tailoring protection to match your existing electrical scheme.

Ideal use cases

• Outdoor motor drives, conveyors, compressors, and HVAC equipment requiring a reliable disconnect
• Replacement projects where you need exact BOM alignment to the original Square D part
• Spare stock for maintenance windows, minimizing downtime by enabling rapid swap-outs

Unique value and practical benefits

What sets the HU364AWK apart is its seamless alignment with Square D’s hardware ecosystem. The 3P, 200 A, 600 V rating is paired with a rugged NEMA 3R enclosure designed to endure outdoor use, while the fusible/non-fusible option provides installation flexibility without sacrificing safety or documentation clarity. This isn’t a generic disconnect switch—it’s a purpose-built solution that keeps your electrical system compliant and your BOM intact.

Installation and compatibility guidance

This safety switch is designed to slot into systems that require a dependable point-of-use disconnect. Depending on your chosen configuration, ensure you have the appropriate fuses for a fusible setup and verify mounting and wiring compatible with your existing panel. If you’re unsure whether HU364AWK is the exact match for your equipment, AmpState offers support to confirm fit. Need help matching a part number or confirming compatibility? Message us and we’ll help you verify the right configuration for your application.