Square D HU361RB - 30A, 600V, Heavy Duty Disconnect Switch

Meet the Square D HU361RB, a 30A, 600V Heavy Duty Disconnect Switch engineered for industrial and commercial environments where safe, reliable electrical isolation is non-negotiable. Built to support proper lockout/tagout procedures, it delivers dependable disconnection under load while standing up to long-term durability in demanding settings.

Why this disconnect switch stands out

• Robust electrical isolation: Delivers a clean, positive disconnect at 30A and up to 600V, ensuring equipment can be safely de-energized for maintenance or servicing.
• Outdoor-ready enclosure: NEMA 3R rated construction, offering dependable protection against harsh weather and outdoor installation without compromising performance.
• Safety-forward design: Optimized for lockout/tagout workflows, helping facilities uphold rigorous safety standards during servicing and turnarounds.
• Durability you can rely on: Built for long-term use in heavy-duty applications, resisting wear from frequent switching and demanding environments.

Specifications at a glance

• Amperage Rating: 30A
• Voltage Rating: 600V
• Enclosure: NEMA 3R (outdoor-rated protection)
• Product Type: Heavy Duty Disconnect Switch
• Brand/Model: Square D HU361RB

Ideal use cases

Place this disconnect switch in commercial or industrial power circuits where equipment isolation is essential for maintenance, repairs, or safety shutdowns. It’s a trusted choice for motor circuits, pumps, conveyors, and other critical loads that require a reliable, lockable disconnect to prevent unexpected energization during service.

Practical benefits you’ll notice

• Improved maintenance safety through straightforward lockout/tagout compatibility.
• Predictable performance under load, reducing the risk of unreliable disconnections during critical operations.
• Flexible deployment in environments where outdoor or damp conditions are a factor thanks to its rugged enclosure rating.

How it compares to everyday disconnects

Compared to lighter-duty switches, the Square D HU361RB offers a higher level of reliability and durability for commercial and industrial installations. Its NEMA 3R enclosure and 600V rating mean it can handle more demanding loads and harsher environments without sacrificing safety or ease of maintenance.

Whether you’re upgrading outdated equipment or designing a new industrial panel, the HU361RB provides a dependable, safety-minded solution that helps you keep people and systems protected while minimizing downtime.