Square D D324N 200A 3P 240V Safety Switch, NEMA 1, Fusible | AmpState

Meet the Square D D324N 200A 3P 240V Safety Switch—a rugged indoor disconnect engineered for dependable point-of-use isolation. With a NEMA 1 enclosure and a fusible design, this switch provides immediate, visible protection and a streamlined path for safe equipment shutdowns in 3‑phase systems. Ideal for replacement projects, it also helps you keep your bill of materials (BOM) aligned with the original part number, minimizing compatibility risk during service or upgrades.

• Model: Square D D324N
• Type: Fusible safety switch (3-pole)
• Ampacity: 200 A
• Configuration: 3 poles (3P)
• Voltage: 240 V
• Enclosure: NEMA 1 (indoor use)
• Applications: Equipment disconnect, isolation at the point of use, BOM‑conscious replacements
• Availability: Sold by AmpState

Practical use cases

• Disconnects for motors, conveyors, and industrial drives in indoor facilities where a reliable, code‑compliant isolation point is required.
• Replacement in legacy panels where staying with the original Square D part simplifies maintenance history and spare stocking.
• Emergency or scheduled maintenance routines that demand quick, visible isolation without compromising safety.

Why this model stands out

• BOM compatibility: Designed to match the original part number, reducing engineering and procurement hiccups during upgrades or repairs.
• Integrated protection: Fusible configuration provides built‑in overcurrent protection within the disconnect, helping streamline wiring and maintenance.
• Indoor reliability: NEMA 1 enclosure is ideal for controlled indoor environments where dust and debris are limited.
• Straightforward serviceability: 3P, 240V configuration supports common three‑phase systems found in manufacturing and facilities operations.

Installation and support

Professionals installing this switch should follow standard electrical safety practices for disconnects and comply with local codes. If you’re unsure about compatibility with your existing panel or control circuit, AmpState offers assistance to confirm fit and function. Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.

Ready to secure reliable isolation with a brand‑name trusted in critical electrical infrastructure? Add the Square D D324N 200A 3P 240V Safety Switch to your cart from AmpState and keep your equipment protected with a true, purpose‑built safety switch.