Square D HU364 - 200A, 600V, Heavy-Duty, Fusible, Switch

The Square D HU364 is a rugged, industrial-grade solution designed to deliver reliable on/off isolation plus built-in overcurrent protection where you need it most. With a 200A rating and a 600V capacity, this heavy-duty fusible switch keeps your electrical systems safe, organized, and easy to service in demanding commercial and industrial environments.

Why the HU364 stands out

Built to endure tough duty cycles, the HU364 combines a compact footprint with straightforward maintainability. Its fusible design provides immediate protection at the point of use, reducing the risk of damage from overcurrents and making fuse replacement a routine, manageable task. This means faster diagnostics, less downtime, and safer isolation when servicing equipment.

Key specifications at a glance

• Model: HU364
• Amperage: 200A
• Voltage: 600V
• Duty: Heavy
• Fused: Fusible

Ideal use cases

Designed for scenarios where a compact, maintainable fusible switch is essential, the HU364 is a go-to choice for:

• Motor disconnects in conveyor lines, pumps, and processing equipment
• Panelboards requiring integrated protection and isolation
• Branch circuit protection in distribution and service panels
• Situations demanding quick, safe electrical isolation during maintenance

What problems it solves

By combining isolation and overcurrent protection in a single, sturdy package, the HU364 minimizes wiring complexity and streamlines maintenance routines. The fused design ensures that overcurrent events are contained at the source, protecting downstream components and reducing the likelihood of cascading failures.

Practical tips for deployment

• Pair this switch with the appropriate fuse lineup to match your circuit’s protection requirements and ensure proper coordination with downstream devices.
• Plan for straightforward fuse replacement by choosing a layout that provides accessible access for servicing without interrupting other loads.
• Use in applications where space is at a premium but reliability cannot be compromised—its compact form factor fits tight electrical rooms and panelboards.

Who this is for

Industrial facilities, commercial plants, and service environments that need dependable motor control, safe isolation, and integrated protection will benefit from the Square D HU364. It’s particularly well-suited for technicians and engineers who value a robust, easy-to-maintain fusible switch that supports critical safety and uptime goals.

Upgrade your electrical distribution with a proven, purpose-built fusible switch that delivers precise protection, straightforward maintenance, and durable performance—the Square D HU364.