Square D HU465 Switch, 400A, 4-Pole

The Square D HU465 is a rugged industrial disconnect switch engineered for high-demand electrical service, maintenance outages, and replacement projects. With a robust 400 A rating and a four-pole configuration, this switch is built to deliver dependable isolation when it matters most. Use the part number HU465 to confirm compatibility with your application and installation requirements.

Key features and benefits

• 400 Amp capacity: Designed to handle heavy-duty, three-phase electrical loads with confidence, reducing the need for multiple smaller devices.
• 4-pole design: Provides complete isolation of all poles, enhancing safety during servicing and preventing backfeed in multi-wire installations.
• Industrial-grade reliability: Built to endure demanding environments and the rigors of routine maintenance and replacement work.
• Part-number driven compatibility: Verify fit quickly by using the HU465 designation to match your enclosure, wiring, and control requirements.
• Versatile application: Ideal for service entrances, equipment shutdowns, and ongoing maintenance projects where reliable switching is essential.

Why this switch matters for your operation

In industrial settings, having a dependable disconnect is crucial for safety and uptime. The HU465 delivers decisive, simultaneous pole disconnection, helping technicians safely perform maintenance, repairs, or replacements without compromising other circuits. Its 4-pole configuration is particularly valuable in three-phase systems that demand full isolation for every conductor, reducing arcing risk and simplifying compliance with safety protocols.

Ideal use cases

• Service disconnects during facility maintenance or upgrades
• Replacement of aging switchgear with a robust, field-proven option
• Emergency shutdowns where complete isolation is required
• Isolating heavy equipment in industrial plants to enable safe servicing

Compatibility and guidance

Compatibility is determined by the part number and the specific application requirements. The HU465 designation should be used to verify that this switch aligns with your equipment, enclosure, and wiring standards. Need help confirming compatibility or matching the right part number to your project? Message us, and we’ll assist in validating fit and applicability to your installation.