Square D H364N - 200A, 600V, Safety Switch

The Square D H364N safety switch is a rugged, industrial-grade solution for reliable on/off isolation and overcurrent protection in demanding environments. Built to withstand tough conditions, this 200A, 600V device combines durable construction with a compact, maintainable fusible switch design—delivering dependable performance where space and serviceability matter most.

Designed to simplify electrical protection in mission-critical applications, the H364N excels as a motor disconnect, a dedicated disconnect for panelboards, and a switch for branch circuits. Its straightforward operation supports quick, safe isolation during maintenance or emergency shutdowns, helping to minimize downtime and protect personnel and equipment.

Key specifications

• Model: H364N
• Amperage: 200A
• Voltage: 600V
• Type: Safety switch (fusible switch design) for reliable isolation and overcurrent protection

Why this safety switch stands out

• Compact footprint fits tighter control panels and electrical rooms without sacrificing protection performance.
• Maintanable design emphasizes ease of serviceability, reducing downtime during inspections or part replacements.
• Versatile protection ideal for motor disconnects, panelboards, and branch circuits, offering a single, reliable solution across multiple installations.

Use cases and ideal applications

• Industrial facilities needing a dependable disconnect for large motors or equipment
• Commercial buildings with centralized electrical rooms requiring compact, serviceable protection
• Upgrade or retrofit projects where a robust fusible switch aligns with existing protection schemes

Practical guidance

When integrating the H364N, pair it with appropriate overcurrent protection and ensure mounting in an accessible location for safe operation and routine maintenance. This device is designed to deliver reliable isolation and protection in environments where both safety and uptime are critical.