Square D H363DS - 100A, 600V, 3-Pole, Fused Disconnect Switch

The Square D H363DS is a high-performance fused disconnect switch engineered for rugged industrial and commercial environments where safe and reliable electrical isolation is non-negotiable. With a 100A, 600V rating and a 3-pole configuration, this unit provides precise, dependable disconnection under load while supporting standard lockout/tagout procedures for safer maintenance and service work.

• 100A, 600V rated delivers robust protection for mid-range distribution circuits and three‑phase systems.
• 3-Pole design ensures full isolation of all phases, reducing arc risk and enabling safe troubleshooting and servicing.
• Fused disconnect functionality integrates protective fuses to interrupt fault currents, helping shield equipment and wiring from damage during faults.
• Lockout/Tagout readiness aligns with established safety protocols, allowing technicians to secure circuits during maintenance without compromising overall system integrity.
• Designed for durability built to withstand the demands of busy facilities, factories, and commercial installations over the long term.

Why professionals choose the Square D H363DS

For projects that require reliable isolation in three‑phase systems, the H363DS delivers predictable, immediate disconnection when a fault occurs while preserving system safety during routine maintenance. Its fused design adds an extra layer of protection beyond a standard switch, helping minimize downtime and equipment wear in demanding environments.

Ideal use cases

• Main or sectional disconnects for industrial panels and motor control centers
• Safe isolation points for conveyors, pumps, and processing equipment
• Maintenance-ready shutoffs in warehouses, manufacturing floors, and commercial facilities

Specifications at a glance

Amperage: 100A • Voltage: 600V • Poles: 3-Pole • Type: Fused Disconnect Switch • Brand: Square D • Model: H363DS