Square D HU365 - 400A, 600V, Disconnect Switch

The Square D HU365 is a high‑performance disconnect switch purpose-built for industrial and commercial environments that demand safe, reliable electrical isolation. With a 400A rating and a 600V capacity, this unit delivers dependable disconnection under load while supporting proper lockout/tagout procedures to keep maintenance teams safe. Built for longevity, the HU365 is designed to perform consistently in demanding installations where reliability matters most.

Why the Square D HU365 stands out

• 400A, 600V specification—capable of isolating sizable feeders and equipment with confidence.
• Safe isolation under load—engineered to disengage power reliably when it’s needed most, reducing downtime and risk.
• Lockout/Tagout compatibility—supports essential safety protocols to protect personnel during maintenance and servicing.
• Durable, long-term performance—built to withstand demanding industrial and commercial environments with steady reliability.

Ideal for who and where

• Facility managers and maintenance teams responsible for electrical safety in industrial plants and large commercial facilities.
• Electrical contractors configuring service disconnects for machinery, subpanels, MCC feeders, or processing lines.
• OEMs integrating a robust, standards-aligned disconnect switch into control panels and switchgear assemblies.

Practical use cases

• Isolating power to heavy machinery for safe servicing and preventive maintenance without risking unexpected re-energization.
• Serving as a main or sectional disconnect in electrical rooms where clear, unambiguous isolation is required.
• Providing a reliable power cut point in commercial spaces such as manufacturing floors, warehouses, and data centers where uptime and safety are critical.

Specifications

• Brand: Square D
• Model: HU365
• Product Type: Disconnect Switch
• Amperage Rating: 400A
• Voltage Rating: 600V

Choose the HU365 when you need a dedicated, reliable point of isolation that aligns with lockout/tagout safety practices and stands up to the rigors of industrial and commercial electrical systems. It’s a practical, confidence-boosting solution for professionals who value clear disconnection, safety compliance, and lasting performance.