Square D HU-361 - 30A, Safety Switch

The Square D HU-361 30A Safety Switch is a purpose-built disconnect designed to bring clarity and control to electrical isolation in demanding industrial and commercial settings. Built to support precise lockout/tagout procedures, this safety switch delivers a dependable, de-energizing solution that keeps maintenance crews safe and operations efficient. When it’s time to service equipment, you can trust the HU-361 to reliably interrupt power and protect workers without introduce unnecessary downtime.

Why the HU-361 stands out

• 30A amperage rating aligns with motor control, line-disconnect, and equipment isolation needs in compact to mid-sized installations, providing the right balance between protection and performance.
• Reliable under-load disconnection capability ensures circuits can be safely opened when equipment is energized, reducing arc flash risk and enabling safer maintenance routines.
• Lockout/tagout readiness designed into the device promotes compliant safety practices, helping teams implement standard shutdown procedures with confidence.
• Durability for harsh environments built to endure the rigors of daily industrial and commercial use, delivering long-term reliability in control panels and service areas.

Who should consider this safety switch

Ideal for facilities and projects that require a dependable isolation point for electrical systems, including manufacturers, warehouses, commercial buildings, and service departments. If you manage motors, conveyors, pumps, or HVAC equipment and need a dedicated safety disconnect that won’t compromise uptime, the HU-361 is a practical, proven fit.

Key benefits in practice

• Enhanced worker safety by providing a clear, enforceable disconnection point during maintenance.
• Operational confidence knowing that power-off state is verifiable before any service work begins.
• Simple integration designed to slot into standard electrical layouts without complicated retrofit work.
• Consistent performance with long-term durability reduces replacement cycles and maintenance burden.

Use cases and scenarios

Use the Square D HU-361 to isolate circuits for routine maintenance on motors and pumps, to safely service conveyors in a production line, or to create a clear, compliant service disconnect within a control panel for various commercial equipment. Its straightforward operation makes it a reliable choice for both seasoned technicians and facilities teams handling ongoing electrical safety protocols.

Specification snapshot

• Amperage rating: 30A
• Product type: Safety Switch
• Brand: Square D
• Model: HU-361