Square D H365 - Disconnect Switch

Introducing the Square D H365 Disconnect Switch—the rugged, industrial-grade isolation device that facilities rely on to keep teams safe and operations running smoothly. Designed for environments where a reliable disconnect is non-negotiable, the H365 delivers consistent performance in both busy commercial spaces and demanding industrial applications.

This disconnect switch is engineered to support proper lockout/tagout procedures, providing a clear, secure path for workers to lock devices out during maintenance. With the ability to deliver dependable disconnection under load, it minimizes risk and downtime when power needs to be isolated quickly and safely.

Key benefits

• Safe, compliant isolation—facilitates lockout/tagout workflows to protect personnel during servicing.
• Under-load disconnection—trusted performance when breaking circuits while they carry current, reducing risk during maintenance and transitions.
• Long-term durability—built to withstand the rigors of busy industrial and commercial settings, delivering steady operation over time.

Ideal use cases

• Panel enclosures and switchgear assemblies requiring explicit isolation points.
• Motor control centers, feeders, and service disconnect locations.
• Maintenance shutdowns, safety interlocks, and preventative work where clear isolation is critical.

Why the Square D H365 stands out: it combines proven performance with the trusted Square D legacy, offering a purpose-built solution for environments where safety, reliability, and consistent operation are essential.

Who should consider it

• Electrical engineers seeking a dependable isolation device for complex systems
• Facility managers prioritizing worker safety and operational reliability
• Maintenance teams needing a robust disconnect that supports routine lockout/tagout procedures

Practical guidance for best results

• Pair the H365 with compatible panel configurations and ensure it aligns with your lockout/tagout practices
• Schedule regular inspections to verify clean disconnection and consistent performance over time
• Integrate with standard safety devices and procedures to maximize protection during maintenance