Square D D324N - 200A, 240V, 3-Pole, Fused Disconnect Switch

Experience safe, reliable electrical isolation with the Square D D324N—an industrial-grade 200A, 240V, 3-Pole Fused Disconnect Switch designed for demanding commercial and industrial environments. Built for durable uptime, this disconnect supports proper lockout/tagout procedures and delivers dependable disconnection under load, helping protect personnel and downstream equipment during maintenance and fault conditions.

Why the Square D D324N stands out

• 200 Ampere rating at 240 Volts, 3-Pole configuration for robust three-phase protection
• Fused disconnect design provides overcurrent protection and clear, controllable isolation
• Engineered for long-term durability in harsh industrial settings
• Optimized for safe lockout/tagout practices to meet safety compliance and reduce downtime
• Seamless integration with panels, motor control centers, and other industrial electrical systems

What problems it solves

The Square D D324N delivers immediate, reliable isolation when servicing equipment or during faults, helping to minimize risk to personnel and preventing damage to upstream and downstream circuitry. Its fused design ensures that current is interrupted in a controlled manner, supporting safer maintenance workflows and more predictable system behavior in demanding environments.

Specifications at a glance

• Amperage Rating: 200 A
• Voltage Rating: 240 V
• Number of Poles: 3-Pole
• Product Type: Fused Disconnect Switch
• Brand: Square D
• Model: D324N

Practical installation and usage tips

• Pair with properly rated fuses and verify compatibility with your circuit load and protection scheme
• Mount in a compliant enclosure with clear access for safe operation and lockout/tagout actions
• Incorporate the switch into your preventive maintenance plan, inspecting fuse condition and mechanical action regularly
• Coordinate with other protection devices to ensure coordinated shutdowns and minimal disruption during faults

Ideal applications

Designed for industrial facilities, commercial buildings, and any setup requiring dependable three-phase isolation and overcurrent protection. The Square D D324N is an enduring choice for motor circuits, pumps, conveyors, processing lines, and other demanding equipment where uptime and safety are paramount.