Square D D223N - 100A, 240V, Fused Disconnect Switch

The Square D D223N is a rugged 100A, 240V fused disconnect switch designed for industrial and commercial environments where safe electrical isolation is non‑negotiable. It combines reliable overcurrent protection with a dedicated disconnect in one compact unit, enabling precise control over vital circuits while supporting essential lockout/tagout (LOTO) procedures to keep maintenance teams safe during service. Why this fused disconnect switch stands apart - Built‑in fusion for dependable protection: The integrated fusing provides immediate overcurrent protection, helping to prevent damage to equipment and reduce the risk of arc exposure during shutdowns. - True electrical isolation under load: When you need to isolate a circuit for servicing, the D223N delivers a clean, guaranteed disconnect, even on energized systems. - Designed for long‑term durability: Constructed to withstand demanding industrial environments, it remains reliable through frequent operations and routine maintenance cycles. - Lockout/tagout ready: Its form factor and wiring options are compatible with standard LOTO practices, making compliant shutdowns straightforward and repeatable. Ideal applications and use cases - Motor control and equipment power feeds in manufacturing lines, conveyors, and industrial machinery - HVAC and large equipment service points where a safe, measurable disconnect is required - Temporary or permanent service entrances where quick, verifiable isolation is critical How it supports safer, more efficient operations - Quick, confident disconnections minimize downtime and improve service window planning - The combination of isolation and overcurrent protection reduces the need for multiple devices in the same circuit - Clear, auditable lockout/tagout compatibility helps meet safety standards and simplifies compliance audits Key specifications at a glance - Amperage rating: 100A - Voltage rating: 240V - Product type: Fused Disconnect Switch - Brand: Square D - Model: D223N Practical installation and best-use practices - Install by a qualified electrician in accordance with your facility’s safety and electrical codes - Pair with appropriately rated fuses to maintain the 100A, 240V protection profile - Plan for LO TO procedures around maintenance cycles to maximize uptime and safety For facilities that require dependable shutdowns with integrated protection, the Square D D223N delivers clear, reliable isolation combined with robust overcurrent protection. It’s a purpose‑built solution for safer maintenance, tighter safety compliance, and fewer moving parts in your electrical distribution.