Square D H364N - 200A, 3-Pole, Fused Disconnect Switch

The Square D H364N is a rugged 200A, 3-Pole Fused Disconnect Switch engineered for reliable electrical isolation in industrial and commercial environments. Designed to support safe lockout/tagout procedures and dependable disconnection under load, this switch delivers steady, long-term performance in demanding service conditions.

Why the H364N stands out

• 200 ampacity supports larger feeders and motor circuits without compromising protection.
• 3-Pole design suits three-phase power systems, enabling clean, coordinated disconnection across all phases.
• Fused protection provides immediate fault isolation and helps minimize arc energy during disconnection, boosting overall system safety.
• NEMA 1 enclosure offers indoor, general-purpose protection for electrical equipment in controlled environments.
• Lockout/tagout compatibility aids maintenance teams in complying with safety protocols, reducing the risk during servicing.
• Built by Square D with the brand’s reputation for durability and consistent performance in challenging applications.

Ideal applications

Use the Square D H364N to isolate power to motors, feeders, and machinery in manufacturing floors, processing lines, and utility rooms. It’s well-suited for service disconnects in electrical distribution panels, equipment enclosures, and any setup requiring a reliable, easily accessible shutoff with integrated fuse protection.

What you get with this model

• Simple, dependable disconnection when maintenance or troubleshooting is needed, without compromising safety.
• Clear isolation under load thanks to its fused design, reducing risk during equipment outages.
• Compatibility with standard maintenance practices—integrates smoothly with lockout/tagout procedures to help keep workers safe.

Technical specifications at a glance

• 200A
• Number of Poles: 3-Pole
• Enclosure Rating: NEMA 1
• Product Type: Fused Disconnect Switch
• Brand: Square D
• Model: H364N

Whether you’re upgrading an existing panel or specifying new electrical infrastructure, the Square D H364N delivers precise, reliable isolation with fuse-protected disconnection. It’s a practical, long-term solution for safe maintenance, efficient electrical protection, and consistent performance in demanding environments.