Square D D323N - 100A, 240V, Fused Safety Switch

The Square D D323N is a rugged, high-performance Fused Safety Switch designed for demanding industrial and commercial environments where safe electrical isolation is non-negotiable. With a 100A rating at 240V, this switch delivers dependable disconnection under load while supporting proper lockout/tagout procedures for safer maintenance and servicing.

• 100A amperage rating and 240V voltage to handle typical industrial feeders and equipment isolation needs.
• Fused design provides built-in overcurrent protection, enhancing system safety and protecting downstream components during disconnection.
• Safe electrical isolation essential for routine maintenance, servicing, and emergency shutdowns without compromising personnel safety.
• Lockout/tagout compatibility to ensure secure, compliant procedures during servicing, audits, and safety drills.
• Durable, long-term performance built to withstand the rigors of busy facilities, reducing downtime and replacement frequency.
• Brand trust with Square D’s reputation for reliable power management components and plug-and-play integration with standard electrical assemblies.

This fused safety switch is ideal for facility maintenance teams, electrical contractors, and OEMs who need a dependable service disconnect or equipment isolation point. It shines in panel boards, motor control centers, and main feeders where immediate, safe disconnection under load is critical to safeguarding personnel and equipment.

Technical snapshot

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

Why choose the D323N over simpler disconnects? It blends the straightforward control of a switch with the protective benefits of fusing, delivering controlled, safe isolation that aligns with standard safety practices in busy work environments. It’s the practical choice for ensuring maintenance can proceed without compromising overall system safety.

Practical tips for use and optimization: - Pair the D323N with compatible fuses and properly label lockout/tagout points to streamline maintenance workflows. - Use as a dedicated service disconnect for critical equipment to meet safety regulations and reduce risk during repairs. - Regularly inspect fuses and the enclosure for signs of wear or corrosion to preserve reliability over time. - Keep spare fuses on hand and document replacement intervals to support proactive maintenance planning.