Square D HU361N - 30A, 600V, 3-Pole, Fused Safety Switch

The Square D HU361N fused safety switch delivers dependable, code‑compliant electrical isolation for demanding industrial and commercial environments. With a 3‑pole design that handles three‑phase systems, this unit provides precise, on‑demand disconnection and enhanced safety during maintenance or fault conditions.

• Three‑pole, 30A, 600V performance — specifically configured for reliable isolation of three‑phase circuits in demanding electrical setups.
• Fused protection — integrated fusing interrupter limits fault currents, helping protect downstream equipment and extend component life.
• Lockout/Tagout friendly — designed to support safe maintenance procedures by enabling secure lockout and visible tagout protection.
• Disconnection under load — engineered to safely interrupt current when circuits are energized, reducing arc exposure and enabling safer servicing.
• NEMA 1 enclosure — rugged indoor enclosure that provides reliable enclosure protection in clean, indoor environments like equipment rooms and service bays.
• Trusted Square D build — proven reliability from a respected brand, built to withstand the rigors of daily industrial use.

This HU361N is ideal for facilities that require immediate, dependable electrical isolation for motors, conveyors, pumps, or other three‑phase equipment. It’s perfect for service disconnects in manufacturing lines, HVAC or processing environments, and any application where safe access and orderly de‑energization are paramount.

Why choose the HU361N? If you need a compact, robust solution that combines precise fuse protection with straightforward safety procedures, this unit integrates seamlessly into existing protection schemes. It helps you meet lockout/tagout requirements, minimizes downtime during maintenance, and provides predictable disconnection even under load — all while maintaining a durable indoor enclosure suited for busy commercial spaces.

Specifications at a glance

• Amperage rating: 30A
• Voltage rating: 600V
• Poles: 3‑Pole
• Enclosure: NEMA 1
• Product type: Fused Safety Switch
• Brand: Square D
• Model: HU361N