Square D HU361 - Heavy-Duty, Safety Switch

Meet the Square D HU361 Heavy-Duty Safety Switch—a rugged on/off isolation device engineered for reliability in demanding industrial and commercial environments. This safety switch delivers dependable control and overcurrent protection, helping you keep critical equipment safe and downtime to a minimum.

Where it fits

• Motor disconnects requiring a compact, maintainable fusible switch
• Panelboards needing safe, straightforward isolation within control assemblies
• Branch circuit protection in tight spaces where a durable, user-friendly switch is essential

Key advantages

• Heavy-duty design built for continuous, demanding service
• Compact footprint that fits neatly into crowded panels and enclosures
• Maintainable fusible switch construction simplifies routine service and fuse replacement
• Reliable on/off isolation paired with integrated overcurrent protection
• Rugged, field-ready reliability trusted in industrial and commercial applications

Practical scenarios

• Use as a dedicated motor disconnect on a production line to enable safe maintenance without disturbing other circuits
• Install in a distribution panel to isolate a branch circuit for servicing or fault isolation
• Protect critical feeders for pumps or HVAC systems, providing quick shutoff and circuit protection when needed

Why this matters for your operation

The HU361 combines proven Square D engineering with a streamlined fusible switch form factor, delivering reliable isolation and overcurrent protection in a compact, serviceable package. It’s a practical choice for those who value safety, dependability, and ease of maintenance in challenging environments.