Square D H363 - 100A, 600V, 3-Pole, Fused Disconnect Switch

The Square D H363 fused disconnect switch is engineered to deliver safe, reliable electrical isolation in demanding industrial and commercial environments. With a 100 A rating, 600 V capacity, and a robust 3-pole design, it provides dependable disconnection under load when it matters most—supporting clean, controlled shutdowns and effortless maintenance.

• Complete three-phase isolation thanks to the 3-pole configuration, ensuring every line is safely disconnected.
• Fused protection to guard equipment and wiring from faults, extending system life and reducing downtime.
• Lockout/tagout compatibility to streamline safe servicing and regulatory compliance for maintenance teams.
• Built for durability — a rugged, industrial-grade solution designed to withstand the rigors of busy facilities over the long term.
• Versatile performance suitable for power distribution, service disconnects, and equipment isolation within 600 V systems.

Ideal for plant electrical rooms, manufacturing lines, and commercial electrical distributions, the Square D H363 is a trusted choice for engineers and technicians who need quick, reliable isolation without compromising safety. It integrates seamlessly into existing 600 V electrical architectures and pairs with standard protection strategies to help ensure safe startup, shutdown, and routine maintenance.

Technical snapshot: Amperage Rating: 100A • Voltage Rating: 600V • Number of Poles: 3 • Product Type: Fused Disconnect Switch • Brand: Square D • Model: H363