Square D H361 - 30A, 600V, 3-Pole, Safety Switch

The Square D H361 Safety Switch is built for demanding industrial and commercial environments where safe electrical isolation and dependable disconnection are non-negotiable. With a 30A rating, 600V capacity, and a robust 3-pole configuration, this switch delivers reliable performance when it matters most—during maintenance, startup, and routine service windows.

Key specifications at a glance

• Amperage rating: 30A
• Voltage rating: 600V
• Number of poles: 3-pole
• Product type: Safety Switch
• Brand: Square D
• Model: H361

Why the H361 stands out in the field

• Lockout/tagout readiness: Designed to support proper lockout/tagout procedures, helping facilities keep workers safe during maintenance or repair work.
• Reliable load disconnection: Built to interrupt current under load with steady performance, reducing downtime and minimizing risk when circuits need to be opened while powered.
• Three-pole protection for three-phase systems: The 3-pole configuration ensures synchronized disconnection of all phases, preventing open-phase conditions that can compromise equipment and safety.
• Durable, long-term service: Engineered for rugged use in challenging environments, delivering consistent isolation and peace of mind over years of operation.

Ideal applications and use cases

• Motor control circuits and feeders in manufacturing lines
• Process equipment and machinery requiring clear, reliable isolation
• Service disconnects for commercial and light industrial panels
• Locations where OSHA-compliant lockout/tagout procedures are standard practice

What to expect in practice

The Square D H361 provides a safe, straightforward solution for isolating electrical circuits in busy environments. Its dependable performance under load means you can confidently perform maintenance without unnecessary risk, while its three-pole design supports clean shutdowns of three-phase systems. This switch is a durable, trusted choice for facilities that need a clear, reliable disconnect that's easy to integrate into existing control panels and switchgear setups.

Practical tips for maximizing safety and uptime

• Pair the H361 with established lockout/tagout procedures and ensure operators are trained on proper de-energization steps before servicing equipment.
• During routine maintenance, inspect the actuator and mounting for signs of wear or corrosion, and verify the switch properly interrupts all three phases when opened.
• Document the installation with the model (H361) and electrical ratings to simplify future inspections and maintenance planning.