Square D D324N - 200A, 3-Pole, Fused Safety Switch

The Square D D324N is a rugged, high-performance Fused Safety Switch engineered for industrial and commercial environments where safe electrical isolation is non‑negotiable. With a 200A rating and a 3‑pole design, it delivers dependable disconnection under load while supporting proper lockout/tagout procedures to keep maintenance teams protected and compliant.

Why this fused safety switch stands out

• 200A capacity handles demanding workloads and fault currents in three‑phase power systems, providing reliable protection for downstream equipment.
• 3‑pole configuration enables complete isolation of all three phases, reducing the risk of partial energization during service or maintenance.
• Fused protection interrupts fault currents at the source, helping to limit damage and improve overall system safety.
• Lockout/tagout readiness supports standard safety protocols, making it straightforward to secure equipment during servicing.
• Long-term durability designed to withstand the rigors of industrial environments, ensuring consistent performance over time.

Ideal use cases

Designed for industrial facilities and commercial sites that require reliable isolation and controlled disconnection, the D324N is well-suited for manufacturing floors, processing plants, warehouses, and other power-distribution applications where safety, reliability, and regulatory compliance are critical.

Product at a glance

• Amperage rating: 200A
• Poles: 3‑Pole
• Product type: Fused Safety Switch
• Brand: Square D
• Model: D324N