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

Square D D324N is a robust 200A, 3-Pole Fused Safety Switch engineered for demanding industrial and commercial electrical environments. Built for safe, reliable isolation, it delivers dependable disconnection under load and supports lockout/tagout procedures to protect maintenance teams.

• 200A current rating with a 3-pole fused disconnect for decisive isolation of three-phase power
• Fused safety switch provides overcurrent protection for downstream equipment, helping prevent arc fault and equipment damage during service and startup
• Lockout/Tagout compatibility: designed to support standard safety practices and ensure circuits remain isolated during maintenance
• Disconnection under load: engineered to interrupt circuits safely while systems are energized, reducing downtime and enhancing worker safety
• Durability for long-term reliability in busy environments, backed by Square D engineering
• Ease of maintenance and fuse replacement with straightforward access to replaceable fuses
• Versatile integration with compatible Square D switchgear and distribution setups, making it a practical choice for existing installations

Use cases include service disconnects at industrial facilities, machine isolation on production lines, and safe shutdown points in commercial electrical rooms. This device empowers teams to perform maintenance with confidence, thanks to clear isolation and built-in fuse protection that minimizes downtime.

Choosing the Square D D324N means opting for a dependable, purpose-built solution that aligns with safe electrical practices, supports clear lockout/tagout procedures, and delivers durable performance where reliability matters most.