Square D D323N - 100A, 240V, Disconnect Switch

Introducing the Square D D323N — a purpose-built 100A, 240V disconnect switch engineered for industrial and commercial environments that demand safe, reliable electrical isolation. This switch is designed to support lockout/tagout procedures and deliver dependable disconnection under load, helping maintenance teams work faster and safer without compromising system reliability.

Why the D323N stands out

• 100A current rating provides robust capability for mid-to-large electrical feeders and equipment circuits in demanding facilities.
• 240V operating voltage supports common industrial and commercial power distributions, offering a straightforward integration path into existing panels and switchgear.
• Lockout/tagout compatibility designed to align with safety protocols, enabling secure maintenance shutdowns and compliant isolation of circuits.
• Reliable disconnection under load engineered to perform when it matters most, reducing downtime and enhancing workplace safety during service operations.
• Durable, long-term performance built to withstand the rigors of busy facilities, helping minimize maintenance intervals and part replacement.

Ideal use scenarios

Specifications at a glance

• Amperage Rating: 100A
• Voltage Rating: 240V
• Product Type: Disconnect Switch
• Brand: Square D
• Model: D323N

Practical guidance and outcomes

Users choose the D323N when they need a dependable isolation device that fits into established safety workflows. It’s valuable for maintenance teams, facility managers, and electricians who prioritize safety, operational continuity, and ease of use in busy environments. By providing a clear, reliable means to break power connections under load, this disconnect switch supports faster turnarounds, safer panel work, and a more organized approach to electrical safety protocols.

Tip for optimal results: pair the D323N with a disciplined lockout/tagout program and ensure all technicians are trained on safe isolation procedures. Keep the switch accessible, clearly labeled, and part of a documented safety routine to maximize both safety and uptime.