Square D D323N - 100A, 240V, 3-Pole, Fused Disconnect Switch

When dependable electrical isolation is non-negotiable, the Square D D323N delivers a proven fuse-based solution for three‑phase systems. With a 100A rating at 240V and a 3-pole configuration, this Fused Disconnect Switch is built to perform in demanding industrial and commercial environments while supporting safe lockout/tagout procedures and long-term durability.

• Three-pole, 100A, 240V design: ideal for reliable isolation of three-phase equipment and feeders.
• Fused protection provides controlled interruption of fault currents, helping to reduce arcing and protect downstream equipment.
• Safe lockout/tagout compatibility: designed to facilitate compliant servicing and maintenance workflows without compromising safety.
• dependable disconnection under load: engineered to safely disconnect circuits even when loads are present, supporting safer troubleshooting and routine service.
• Durable industrial build: constructed for demanding environments where reliability and longevity matter most.

This Square D D323N is well suited for service panels, motor control centers, and equipment isolation points in warehouses, manufacturing floors, and commercial facilities. Use it to create a clean, secure disconnect point that technicians can rely on during maintenance or emergency shutdowns.

Key specifications

• Amperage rating: 100A
• Voltage rating: 240V
• Number of poles: 3-Pole
• Product type: Fused Disconnect Switch
• Brand: Square D
• Model: D323N

In everyday use, the D323N helps simplify safety compliance and ongoing maintenance. Its fuse-based design offers a clear, isolated path for service work, while its sturdy construction stands up to the vibrations, dust, and temperature variations common in industrial settings. For facilities aiming to improve electrical safety and reliability, this 100A, 240V, 3‑pole fused disconnect switch from Square D is a concrete, practical choice.