Square D HU361RB 30A 3P 600V Safety Switch, Bolt-On, NEMA 3R, Fusible, Non-Fusible | AmpState

Meet the Square D HU361RB 30A 3P 600V Safety Switch — a rugged, point-of-use disconnect that keeps your equipment protected and your control system aligned with the original design.

Built for reliability in challenging environments, this bolt-on safety switch is available in both Fusible and Non-Fusible configurations and features a NEMA 3R enclosure, delivering dependable outdoor performance against weather, dust, and moisture.

Key specifications at a glance

• Ampacity: 30 A
• Poles: 3
• Voltage rating: 600 V
• Mounting: Bolt-on installation for quick, secure assembly
• Enclosure rating: NEMA 3R for reliable outdoor use
• Configurations: Fusible and Non-Fusible options
• Manufacturer / Part: Square D HU361RB

Why this safety switch stands out

Safety and uptime hinge on reliable disconnects at the point of use. The HU361RB is designed for straightforward replacement projects and spare-stock scenarios where keeping the BOM aligned to the original part number matters most. By choosing this model, you minimize compatibility surprises and streamline maintenance planning.

Practical use cases

• Industrial machinery downtime: a dependable disconnect to isolate gear during service or jams.
• Outdoor equipment islands: weather-resistant NEMA 3R enclosure keeps contacts secure in harsh environments.
• New installations or upgrades: bolt-on design accelerates installation within control panels or switchgear.
• Spare parts strategy: maintain BOM alignment with the original part number to simplify ordering and repairs.

How it works and what you should know

The HU361RB supports both Fusible and Non-Fusible circuits, offering flexibility to match your protection strategy. Use fusible versions when you want the fuse element downstream to provide circuit protection, or select Non-Fusible when relying on upstream fusing devices. Always confirm fuse class, rating, and compatibility with your system.

Need help confirming fit? AmpState offers support to verify part numbers and compatibility. Message us and we’ll help ensure this safety switch is the right match for your panel, wiring, and protection plan.

Ready to safeguard your equipment with a durable, compliant disconnect? Add the Square D HU361RB to your cart and maintain a genuine replacement that aligns with your original BOM and maintenance workflow.