Square D D223NRB - 100A, 2-Pole, Safety Switch

The Square D D223NRB 100A, 2-Pole Safety Switch is purpose-built for industrial and commercial environments where safe electrical isolation and reliable performance under load are non-negotiable. Designed to support lockout/tagout procedures, this safety switch provides a dependable disconnection point that keeps workers protected during maintenance and service work.

• 2-Pole dual-line isolation ensures both hot conductors are simultaneously disconnected, reducing shock risk during servicing.
• 100A current rating yields a robust balance between protecting equipment and allowing efficient operation in mid-to-large circuits.
• Lockout/Tagout readiness supports compliant maintenance practices, making it easier to secure the circuit and prevent accidental energization.
• Durable, reliable operation designed for long-term use in demanding environments where frequent switching occurs and uptime matters.
• Easy integration into standard electrical setups with straightforward wiring and mounting, helping technicians streamline installations and replacements.

Who benefits from the Square D D223NRB? Maintenance teams, facilities engineers, and electrical technicians working in manufacturing floors, distribution centers, and commercial electrical rooms who need a trustworthy disconnect that aligns with safety protocols. It’s ideal for service isolation on equipment like conveyors, motors, HVAC systems, and other heavy-load applications where safe de-energization is critical.

Compared to generic disconnects, the D223NRB stands out with its explicit emphasis on safety-first design and consistent performance under load. By delivering secure isolation, easy adherence to LOTO practices, and a durable build, it reduces downtime risk and enhances workplace safety—so teams can focus on the task at hand with confidence.

Key use scenarios include planned shutdowns for routine maintenance, emergency isolation during fault conditions, and routine equipment servicing where a clear, lockable disconnect point is required. If you’re upgrading electrical safety practices or replacing an aging disconnect, the Square D D223NRB offers a reliable, purpose-driven solution that aligns with professional safety standards and real-world workflow needs.