Square D D322NRB - 60A, 3-Pole, Fused Safety Switch

The Square D D322NRB is a rugged 60A, 3-Pole Fused Safety Switch engineered for industrial and commercial environments where safe electrical isolation and dependable disconnection are critical. Designed to support proper lockout/tagout procedures, this switch helps protect maintenance personnel while delivering reliable performance over the long term.

Key features that matter in the real world

• 60A, 3-Pole design provides dedicated three-phase isolation for equipment and feeder circuits, enabling safe maintenance and controlled startup.
• NEMA 3R enclosure offers weather-resistant protection suitable for outdoor installations and rugged indoor settings, keeping internal components protected from the elements.
• Fused safety switch integrates overcurrent protection and isolation in a single, compact package for streamlined wiring and easy serviceability.
• Lockout/Tagout readiness supports safe shutdown procedures, making it easier to secure equipment during maintenance and repairs.
• Durable construction built for long-term durability in demanding environments, helping minimize downtime and maintenance costs.

Practical use cases

Ideal for facilities with three-phase power where equipment requires routine isolation—motor controllers, HVAC systems, conveyors, processing lines, and service feeders all benefit from a reliable, fused solution. The NEMA 3R enclosure makes it suitable for outdoor panels, loading docks, and exposed indoor areas where weather and debris protection matters. Whether you’re upgrading an old disconnect or wiring a new installation, the D322NRB provides a straightforward path to safe, compliant isolation.

Why this fused safety switch stands out

• Integrated protection and isolation eliminates the need for separate fuses and disconnects, reducing wiring complexity and simplifying maintenance.
• Balanced three-phase disconnection ensures all live conductors are safely isolated, enhancing safety during servicing.
• Reliability in demanding environments combines a robust enclosure with dependable switching performance, supporting long-term uptime.

Technical snapshot

• Amperage rating: 60A
• Number of poles: 3-Pole
• Enclosure: NEMA 3R
• Product type: Fused Safety Switch
• Brand: Square D
• Model: D322NRB

Equip your facility with trusted safety and reliability. The Square D D322NRB is ready to enhance your electrical safety program—order today and ensure safer maintenance, compliant lockout/tagout practices, and sustained performance in challenging environments.