Square D D224NRB - 200A, 240V, 2-Pole, Fused Disconnect Switch

The Square D D224NRB is a rugged, high-performance fused disconnect switch engineered for demanding industrial and commercial environments. With a 200A amperage rating and 240V operation, this 2-pole disconnect provides dependable, safe isolation of electrical circuits, making maintenance and servicing safer and more efficient.

Why this fused disconnect stands out

• 200 A, 240 V performance: Designed to handle substantial load where reliable disconnection under load is essential, reducing downtime and protecting equipment.
• 2-pole design: Simultaneously interrupts both hot legs in 240V circuits for complete isolation and enhanced safety.
• NEMA 3R enclosure: Built to endure outdoors and exposed environments, providing weather resistance and durable protection in commercial facilities and industrial sites.
• Fused protection: Integrated fusing offers overcurrent protection for the downstream equipment, helping to prevent damage from faults and surges.
• Lockout/Tagout readiness: Aids strict safety protocols by enabling reliable lockout/tagout procedures during maintenance or servicing.

Built for safety, longevity, and easy maintenance

The D224NRB delivers dependable disconnection under load, ensuring workers can service equipment with confidence. Its sturdy construction supports long-term durability in challenging environments, while the NEMA 3R enclosure provides resilience against dust, moisture, and incidental weather exposure. This makes it an excellent choice for service entrances, motor feeders, and critical circuit isolation in warehouses, factories, and large commercial facilities.

Ideal use cases

• Industrial motor control centers and feeders requiring immediate, safe isolation for maintenance
• Commercial electrical rooms where reliable disconnects protect personnel and equipment
• Outdoor or semi-enclosed installations that demand weather-resistant enclosures
• Service disconnect points where both hot legs must be isolated in a 240V system

What to expect in practice

With the Square D D224NRB, facility managers gain a robust, code-conscious solution that simplifies safety procedures and reduces risk during routine servicing. Its fusion-based protection helps extend equipment life by preventing fault propagation, while the 2-pole configuration ensures comprehensive isolation. For projects prioritizing safety, reliability, and straightforward maintenance in a 240V, 200A framework, this fused disconnect switch stands out as a practical, long-term choice.