Square D D323NRB - 100A, 240V, 3-Pole, Fused Disconnect Switch

The Square D D323NRB 100A, 240V, 3-Pole Fused Disconnect Switch is built for demanding industrial and commercial environments where safe, reliable electrical isolation is non-negotiable. This fused disconnect combines robust protection with practical usability, ensuring you can lock out and tag out equipment during maintenance while maintaining dependable disconnection under load. Key benefits and why it matters - Precise three-phase control: 3-Pole design at 240V delivers clean, balanced disconnection for 3-phase machinery, reducing the risk of uneven phase conditions during service. - Built-in fuse protection: Integrated fuses provide immediate fault current interruption, helping shield downstream components from damage and improving overall system safety. - Clear isolation with lockout/tagout support: Engineered to accommodate lock and tag procedures, boosting worker safety during servicing and reducing workflow interruptions. - Ready for real-world duty: Designed for continuous operation in busy industrial and commercial settings, offering durability you can trust over the long term. - Simple integration and serviceability: Compact footprint and straightforward wiring make installation, inspection, and fuse replacement efficient, minimizing downtime. Who this is for - Facility maintenance teams managing medium-sized electrical distributions and equipment panels. - Electrical contractors specifying a reliable, code-conscious isolation solution for three-phase systems. - Plant engineers seeking a durable, ready-to-use disconnect that integrates seamlessly with existing safety and protection schemes. Use cases and scenarios - Motor control and line feeders supplying pumps, conveyors, fans, or HVAC equipment where safe maintenance shutdowns are crucial. - Service disconnects at panel boards or machinery enclosures, enabling rapid, safe isolation during repairs or inspections. - Situations demanding immediate fault current interruption at the source to protect downstream devices and wiring. Why this matters in your setup - By combining three-phase isolation with fused protection, the D323NRB helps prevent nuisance faults from propagating through a system, supporting safer maintenance and reducing downtime. - The design emphasizes practical safety through lockout/tagout compatibility, making compliance with workplace safety protocols more straightforward and reliable. Specifications at a glance (as a reference) - Amperage Rating: 100A - Voltage Rating: 240V - Number of Poles: 3-Pole - Product Type: Fused Disconnect Switch - Brand: Square D - Model: D323NRB Elevate your electrical safety and reliability with the Square D D323NRB—a purpose-built solution for safe, dependable isolation in demanding environments.