Square D HU363 - 100A, 600V, 3-Pole, Disconnect Switch

The Square D HU363 is a high-performance 3-pole disconnect switch engineered for safe, reliable electrical isolation in demanding industrial and commercial environments. With a 100A rating and 600V maximum, it delivers dependable disconnection under load while supporting rigorous lockout/tagout (LOTO) procedures to keep maintenance teams protected.

• Amperage Rating: 100A
• Voltage Rating: 600V
• Poles: 3-Pole
• Product Type: Disconnect Switch
• Brand: Square D
• Model: HU363

What sets the HU363 apart is its focused emphasis on safety and durability. The three-pole design ensures complete isolation of all conductors, reducing the risk of partial energization and enhancing worker safety during maintenance. The switch is built to endure the rigors of industrial use, delivering long-term durability that minimizes downtime and replacement costs in busy facilities. Its compatibility with lockout/tagout workflows helps facilities maintain compliance with safety standards while making maintenance activities smoother and more predictable.

Ideal use cases include power isolation in charging or control panels, service disconnects for equipment rooms, and as a robust safety gateway in commercial or light industrial power distribution. This switch is particularly beneficial for teams that prioritize clear, enforceable safety procedures and reliable performance under load, rather than quick, disposable fixes.

Why choose the Square D HU363

• Ensures full isolation by disconnecting all conductors in a single action thanks to its 3-pole design.
• Supports lockout/tagout procedures, enhancing worker safety during servicing and maintenance.
• Built for durability in frequently cycled or demanding environments, reducing maintenance intervals and downtime.
• Offers a proven combination of performance and reliability suitable for mid-size facilities and commercial applications requiring solid electrical safety.

If you’re upgrading your safety controls or specifying a dependable service disconnect, the Square D HU363 delivers clear advantages: straightforward safety compliance, robust isolation capability, and durable performance that keeps critical systems protected and available when needed.