Square D D324NRB 200A 3P 240V Safety Switch, Bolt-On, NEMA 3R, Fusible | AmpState

The Square D D324NRB 200A 3P 240V Safety Switch is built for reliable equipment disconnect and isolation at the point of use. With a 200-amp, 3-pole design, bolt-on mounting, and a NEMA 3R enclosure, this fusible safety switch is engineered to perform in everyday electrical work—from maintenance outages to critical replacement projects—while helping you keep your BOM aligned to the original part number.

• Amperage: 200 A
• Poles: 3
• Voltage: 240 V
• Mounting: Bolt-On for secure, straightforward installation
• Enclosure Rating: NEMA 3R, suitable for outdoor or protected outdoor locations
• Fusible: Fusible design for rapid protection and selective coordination
• Manufacturer: Square D (Part Number D324NRB)
• Product Type: Safety Switch / Equipment Disconnect

Ideal use cases

Choose the D324NRB when you need a dependable disconnect at the point of use for large industrial equipment, HVAC drives, pumps, compressors, or other load centers. It’s a smart fit for service upgrades, panel replacements, or spare parts stocking to ensure you can quickly restore power without drift in the original configuration.

What makes this safety switch stand out

• Direct BOM alignment: Designed to match the original part number, making replacements and maintenance planning straightforward.
• Rugged, outdoor-ready design: NEMA 3R enclosure supports reliable operation in various environments, from sheltered outdoor locations to demanding shop floors.
• Simple bolt-on installation: Bolt-On mounting reduces installation time and simplifies service work, helping you minimize downtime.
• Fusible protection: The fusible configuration provides clear protective coordination while enabling selective disconnection for maintenance or fault isolation.

Installation and compatibility tips

Before integrating, verify that your system requirements align with 200 A, 3-pole, 240 V safety switching needs. The bolt-on mounting is designed for quick, secure attachment to compatible enclosures, and the NEMA 3R rating supports outdoor or semi-outdoor installations. If you’re unsure about exact fit or need a compatibility check against your existing equipment, AmpState offers guidance to confirm fit and functionality.

Why buy from AmpState

AmpState keeps a broad inventory of genuine Square D components, including the D324NRB, and can help you confirm compatibility with your current BOM and switchgear. When you’re stocking parts for critical systems, having the right part number on hand minimizes misfits and speeds up repairs.