Square D H324N - 200A, 240V, Fused Safety Switch

The Square D H324N 200A, 240V Fused Safety Switch is engineered for demanding industrial and commercial environments where safe electrical isolation is non-negotiable. Built to deliver dependable disconnection under load, it supports rigorous lockout/tagout procedures and stands up to long-term use in harsh conditions. If your goal is to protect maintenance crews, minimize downtime, and keep critical equipment isolated during service, the H324N is designed to deliver.

Key specifications at a glance

• Amperage rating: 200 A
• Voltage rating: 240 V
• Product type: Fused safety switch
• Brand: Square D
• Model: H324N

Why the H324N stands out

• Rigid safety isolation: Designed to reliably interrupt fault currents and provide a clear, safe disconnect point for maintenance and emergency shutdowns.
• Lockout/tagout readiness: Built to integrate with standard lockout/tagout procedures, helping crews lock components safely during service without accidental re-energization.
• Durable, long-term build: Constructed for industrial and commercial use, delivering dependable performance in environments that demand durability and consistent operation over time.
• Clear, practical control: A straightforward safety solution that simplifies electrical isolation tasks, reducing setup time and enabling faster turnarounds on maintenance jobs.

Ideal for

• Industrial facilities and manufacturing plants requiring robust, compliant safety isolation
• Commercial installations where reliable emergency disconnection and routine lockout/tagout are essential
• Electrical teams performing equipment service, routine maintenance, or shutdowns where safe isolation is critical

Practical use cases and outcomes

• During scheduled maintenance, engineers can confidently isolate circuits without interrupting adjacent systems, thanks to precise disconnection under load.
• In emergency shutdowns, the fused protection ensures a controlled, prompt disconnection to protect personnel and assets.
• For facilities with frequent equipment servicing, the H324N supports repeatable lockout/tagout workflows, helping teams stay compliant and efficient.

With the Square D H324N, you’re investing in a purpose-built safety switch that prioritizes worker protection, operational reliability, and maintenance efficiency. Its 200 A, 240 V specifications align with demanding electrical grids and equipment suites, making it a practical, long-lasting choice for facilities where safe isolation isn’t optional—it's essential.