Square D D223N - 100A, 240V, 2-Pole, Disconnect Switch

The Square D D223N is a purpose-built Disconnect Switch engineered for demanding industrial and commercial environments where safe, reliable electrical isolation is non-negotiable. With a 100A rating at 240V and a compact 2-pole design, this switch provides clean, definitive disconnection to protect personnel during maintenance and to support strict lockout/tagout procedures. Built for durability and dependable operation, the D223N is ready to perform when it matters most.

Why this disconnect switch stands out

• Two-pole, 240V isolation: Safely disconnects both hot legs in a 240V circuit, preventing partial energization and ensuring complete equipment safety.
• 100A capacity: Suited for mid-to-high amperage applications in industrial panels, feeders, and machine disconnects without compromising reliability.
• Lockout/Tagout ready: Design supports standard LOTO procedures, helping your team meet safety compliance during service and maintenance windows.
• dependable disconnection under load: Engineered to interrupt current reliably when switching off, reducing arcing risk and downtime during servicing.
• Trusted Square D build quality: A staple in industrial electrical equipment, offering consistent performance in demanding environments.

Ideal applications

• Industrial facilities and manufacturing floors requiring safe isolation of motors, feeders, and power distribution segments.
• Commercial electrical rooms where dependable shutoffs are needed for routine maintenance or emergency response.
• Panel boards and remote disconnects that demand a clear, decisive disconnect path for safety protocols.
• Maintenance-ready installations where lockout/tagout compliance is essential to worker safety.

Technical specifications

• Amperage rating: 100A
• Voltage rating: 240V
• Number of poles: 2-Pole
• Product type: Disconnect Switch
• Brand: Square D
• Model: D223N

Practical guidance for maximum value

To get the most from the Square D D223N, pair it with disciplined maintenance practices and a clear LOTO workflow. Use it in configurations where full isolation of the circuit is required before servicing downstream equipment. Its 100A capacity ensures it can handle typical motor and feeder loads without forcing overly aggressive switching strategies, helping you balance safety with operational uptime.

What you gain with the Square D D223N

Peace of mind from a proven disconnect switch that aligns with industrial safety standards, robust performance under load, and a design that supports straightforward lockout/tagout procedures. If you’re seeking a reliable, industry-ready solution to isolate 240V circuits safely and effectively, the D223N delivers clear, decisive disconnection backed by Square D’s established reliability.