Square D H324NRB - 200A, 240V, Fused Safety Switch

The Square D H324NRB is a purpose-built fused safety switch designed for industrial and commercial environments where safe electrical isolation is non-negotiable. With a robust 200A rating and 240V operation, it delivers dependable disconnection under load while supporting rigorous lockout/tagout (LOTO) procedures to protect maintenance teams during service and repairs.

Why the H324NRB stands out

• High-capacity performance — 200A current rating and 240V operation make this switch suitable for demanding feeders and equipment in busy facilities.
• Fused protection for controlled disconnection — integrated fuses ensure reliable, predictable shutoff even when electrical loads are active, reducing arc exposure during maintenance.
• LOTO-ready safety — designed to facilitate proper lockout/tagout workflows, helping teams isolate energy sources quickly and safely before work begins.
• Durable, long-term reliability — built to withstand the rigors of industrial use, delivering consistent performance over time.
• Simple, clear operation — straightforward on/off action and robust construction provide easy verification and trustworthy operation in daily workflows.

Practical use cases

• Main service disconnects in commercial facilities and light industrial environments where reliable energy isolation is critical.
• Maintenance windows for heavy equipment, enabling safe servicing with confidence that the circuit is de-energized.
• Facilities adhering to strict lockout/tagout protocols, ensuring compliance and protecting workers during repairs.
• Subsystems and feeders that require a durable safety switch capable of performing under continuous operation.

What this means for your operation

The Square D H324NRB delivers more than just a switch—it provides a safer, more efficient path to maintenance and outage readiness. Its combination of 200A capacity, 240V compatibility, fused protection, and LOTO readiness translates into shorter downtime, fewer safety concerns, and greater peace of mind for facility managers and electrical teams alike.

Product details at a glance: 200A amperage rating, 240V voltage rating, Fused Safety Switch, brand Square D, model H324NRB. A proven solution for facilities that demand reliable isolation, durable performance, and clear, safe operation.