Square D H325NR - 400A, 240V, Disconnect Switch

The Square D H325NR is a rugged 400A, 240V disconnect switch built for industrial and commercial settings where safe, reliable electrical isolation is non-negotiable. Designed to support proper lockout/tagout procedures, it delivers a dependable disconnection under load, helping maintenance teams work safely and efficiently while protecting equipment and personnel over the long term.

Key advantages of the Square D H325NR

• 400A at 240V provides a robust service disconnect for large feeders and equipment with confidence.
• Safe electrical isolation engineered for demanding environments, making routine servicing and troubleshooting safer for crew members.
• Lockout/tagout readiness designed to integrate with established safety protocols, helping facilities meet compliance and protect workers during maintenance.
• Dependable disconnection under load ensures equipment can be shut off quickly and reliably without compromising safety or uptime.
• Long-term durability built to withstand the rigors of busy industrial and commercial installations, reducing replacement cycles and maintenance costs.
• Seamless integration with existing Square D distribution systems, panels, and control architectures for streamlined installation and reliability.

Ideal uses and practical scenarios

Place the H325NR at service entrances, motor control centers, or feeder disconnects where a clear, accessible shutdown point is required. It’s well-suited for manufacturing floors, HVAC service rooms, data centers, and other facilities that rely on quick, safe isolation to protect personnel and equipment during maintenance, inspections, or emergency shutdowns.

Who benefits from the H325NR

• Facilities engineers and electricians who prioritize safety and dependable power control
• Maintenance teams performing routine servicing on heavy equipment and large electrical feeders
• Electrical contractors specifying robust safety switches for industrial/commercial projects

Tips for optimal use

• Pair with formal lockout/tagout procedures to maximize safety during servicing.
• Verify the load conditions are within the 400A, 240V rating before operation to ensure reliable disconnection.
• Schedule periodic inspections to confirm mechanical integrity and proper wiring access in high-traffic installations.

With the Square D H325NR, you invest in a purpose-built disconnect switch that prioritizes safety, reliability, and long-term performance in demanding environments. It’s a practical, durable solution for anyone who needs a dependable power shutdown that supports precise, compliant maintenance and safe operation across the facility.