Square D HU363 - 100A, 600V, 3-Phase, Switch

Square D HU363 — 100A, 600V, 3-Phase switch built for reliability in tough industrial and commercial environments. This robust fusible switch delivers on/off isolation with integrated overcurrent protection, helping motors and feeders stay safe while minimizing downtime.

With a compact footprint and straightforward maintenance, the HU363 is designed for easy installation, inspection, and service. It’s a versatile solution for motor disconnects, panelboards, and branch circuits where dependable protection and quick isolation are essential.

Key advantages

• Three-phase, 600V capability: handles demanding loads with consistent performance across all three lines.
• 100A rating: suitable for a wide range of motors, pumps, conveyors, and feeders without oversizing hardware.
• Compact, maintainable design: minimizes panel space while allowing easy wiring, testing, and upkeep.
• Dedicated for isolation and protection: ideal for motor disconnects, panelboards, and branch circuits in both new installations and upgrades.
• Trusted brand lineage: Square D’s long-standing reliability translates to predictable operation in critical systems.

Real-world use cases

• Motor disconnects for industrial pumps, fans, and conveyor systems in manufacturing or processing facilities.
• Panelboard isolation points to enable safe routine maintenance and emergency shutdowns.
• Branch-circuit protection in machine rooms, HVAC suites, and service panels where space and reliability matter.
• Retrofits of aging electrical gear where a compact, robust switch is needed without relocation.

Designed for engineers, technicians, and contractors who demand dependable performance, the Square D HU363 delivers clear, fast isolation and stable protection for critical loads. Ready to simplify your electrical distribution with a trusted, 3-phase solution? Add the HU363 to your inventory and experience reliable operation in your next project.