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

The Square D D324N fused disconnect switch is engineered for reliable, code-compliant electrical isolation in demanding industrial and commercial environments. With a robust 200A rating, 240V operation, and a 3-pole configuration, it provides safe, clean disconnection when you need to service equipment or perform maintenance. Key features and benefits - Precise, safe isolation: The fused design shields downstream circuits from faults and overloads, so maintenance teams can work with confidence and minimize downtime. - Built for lockout/tagout (LOTO): The D324N is purpose-built to support mandatory safety procedures, helping you secure a guaranteed de-energized state during service work. - Durable, long-lasting performance: Designed to withstand everyday industrial use, it delivers dependable disconnection under load while standing up to busy facility environments. - Quick accessibility for service windows: The 3-pole layout provides comprehensive disconnection for three-phase equipment, reducing the time needed to isolate power and protecting personnel. Who this is ideal for - Facility managers and maintenance engineers responsible for electrical safety in manufacturing floors, warehouses, and large commercial spaces. - Electrical contractors installing or upgrading switchgear, motor control centers, or service panels that require reliable isolation and clear fault protection. - Teams implementing or maintaining lockout/tagout procedures where a dedicated disconnect switch is essential for worker safety. Use cases and practical advantages - Machine and conveyor line isolation: Safely shut down entire three-phase lines for routine maintenance, calibration, or part replacement without risking arc or accidental energization. - Panel and MCC isolation: Provide a secure means to disconnect power to complex control panels or motor control centers during service calls. - Emergency or planned outages: Rely on a robust, easily accessible disconnect to perform controlled power-downs with minimal risk to personnel. Technical snapshot - Amperage Rating: 200A - Voltage Rating: 240V - Number of Poles: 3-Pole - Product Type: Fused Disconnect Switch - Brand: Square D - Model: D324N Practical tips for optimal use - Pair the D324N with appropriately rated fuses to maintain protection levels aligned with your circuit design. - Integrate the switch into your safety program by coordinating it with your facility’s lockout/tagout procedures and tagging requirements. - Schedule regular inspections of fuse elements and mechanical operation to ensure dependable performance when it matters most. The Square D D324N isn’t just a disconnect switch—it’s a dedicated safety and reliability solution for demanding electrical environments. It brings solid isolation, LOTO compatibility, and durable performance to every installation, helping you keep people safe and operations running smoothly.