Square D DU324 - 200A, 240V, Disconnect Switch

Square D DU324 is a 200A, 240V disconnect switch engineered for safe, reliable electrical isolation in demanding industrial and commercial environments. This robust disconnect is built to support rigorous lockout/tagout procedures and delivers dependable disconnection under load, ensuring maintenance can be performed with confidence and minimal downtime.

Why the DU324 stands out

• Lockout/Tagout readiness—facilitates compliant, safe servicing by providing a clear, verifiable isolation point for energized circuits.
• Reliable under load—designed to disconnect even when circuits are carrying current, reducing the risk of partial or failed isolation during maintenance.
• Long-term durability—purpose-built for commercial and industrial use where durability and consistent performance matter most.
• Straightforward integration—a practical solution that fits standard electrical layouts and control systems in existing panels and MCCs.

Specifications at a glance

• Amperage Rating: 200A
• Voltage Rating: 240V
• Product Type: Disconnect Switch
• Brand: Square D
• Model: DU324

Ideal for

The DU324 is a practical choice for facilities and teams that require dependable isolation in commercial buildings, manufacturing plants, and industrial settings. It’s well-suited for electrical contractors, panel builders, and OEMs who need a trustworthy disconnect to support safe maintenance, equipment servicing, and routine shutdown procedures.

Use cases and practical applications

• Perform routine maintenance on energized equipment by isolating the circuit with a verifiable disconnect point.
• Isolate feeders in control panels or switchgear to enable safe-service work without risking unexpected energization.
• Provide a clear, reliable shutoff option for critical lines in industrial processes, minimizing downtime during servicing.

Practical tips for best results

• Pair the DU324 with your existing lockout/tagout procedures to enhance worker safety and compliance.
• Verify circuit isolation before performing any maintenance, following your site’s safety protocols and electrical codes.
• Plan installation with your electrical team to ensure seamless integration into your panel design and wiring diagrams.

Choose the Square D DU324 for a dependable, purpose-built solution that emphasizes safety, reliability, and efficient maintenance in demanding electrical environments.