Square D HU361DS - 30A, 600V, 3-Pole, Safety Switch

Durable, reliable, and built for demanding environments, the Square D HU361DS Safety Switch delivers a clean, guaranteed disconnect for safe maintenance and energy control. With a 30A rating, a 600V capacity, and a true 3-pole design, this device ensures full isolation of all conductors in three-phase systems, reducing risk during servicing and improving overall electrical safety in commercial and industrial settings.

Why the HU361DS stands out

• Full three-pole isolation: disconnects all three live lines in one robust unit, providing complete safety during maintenance or troubleshooting.
• Industry-ready electrical isolation: specifically designed to support proper lockout/tagout procedures, helping you meet safety protocols and reduce downtime.
• Moderate current handling with broad voltage capability: 30A at up to 600V makes it suitable for motors, conveyors, HVAC equipment, and other typical industrial loads.
• Rugged, long-lasting construction: engineered for daily use in busy environments, delivering dependable performance with low maintenance needs.
• Easy integration into existing panels: compact footprint and straightforward wiring support seamless installation in control enclosures and electrical rooms.

Ideal applications and use cases

• Motor control and drive systems in manufacturing lines, where reliable disconnection is critical for safe servicing.
• HVAC and climate-control equipment in commercial facilities requiring clear, safe energy isolation during maintenance.
• Conveyor systems, pumps, compressors, and other three-phase equipment where complete pole isolation minimizes arc flash or accidental energization.
• Electrical service entrances and panel aggregations that benefit from standardized, durable safety switching.

Safety, performance, and practical benefits

• Prepares equipment for lockout/tagout procedures: the HU361DS is designed to work with standard safety practices, helping technicians perform servicing with confidence.
• Improves maintenance reliability: predictable, mechanical operation minimizes downtime and reduces the risk of unexpected energization during repairs.
• Supports compliant energy control: built to meet common industrial safety expectations for visible, verifiable isolation in busy facilities.
• Clear everyday use: straightforward operation and robust design provide peace of mind for maintenance teams and facility managers alike.

Key specifications

• Amperage rating: 30A
• Voltage rating: 600V
• Number of poles: 3
• Product type: Safety Switch
• Brand: Square D
• Model: HU361DS

Practical tips for best results

• Pair with standard lockout/tagout devices to maintain compliance during maintenance windows.
• Verify full disconnection with a suitable tester before servicing equipment connected to the switch.
• Plan installation to ensure easy access for operation and for applying locks and tags when required by safety protocols.