Square D HU361DS - 30A, Fused Safety Switch

The Square D HU361DS 30A Fused Safety Switch is purpose-built for environments that demand trustworthy electrical isolation, fast fault interruption, and rock-solid safety during maintenance. Designed to support lockout/tagout procedures and provide a reliable disconnection even under load, this safety switch helps technicians work confidently in industrial and commercial settings. What sets the HU361DS apart - Purposeful fusion for protection: The integrated fuse design delivers immediate overcurrent protection for the controlled circuit, reducing the risk of damage to downstream equipment and wiring during startup, operation, and during fault events. - Safe, predictable isolation: When it’s time to service equipment, simply switch to OFF to guarantee a secure de-energized state, then apply lockout/tagout to prevent accidental re-energization. - Durable, service-ready construction: Built to endure the rigors of busy facilities, this unit is designed for long-term reliability in environments where electrical safety is non-negotiable. - Ready for demanding applications: With a 30A rating, it suits control circuits and equipment where a robust disconnect is essential without unnecessary power loss or downtime. Ideal use cases - Machinery and equipment in manufacturing lines that require a safe, verifiable disconnect during maintenance. - Motor control and drive-related circuits where an immediate, protected shutdown is critical. - Service disconnects for panel assemblies, conveyors, and HVAC or industrial plant equipment. - Scenarios where lockout/tagout compliance is a priority to safeguard personnel during servicing. How this model solves real problems - Reduces the risk of accidental re-energization by pairing a physical disconnect with lockout/tagout compatibility. - Improves maintenance productivity by providing quick, clear isolation without complex mulitple-switch configurations. - Helps protect downstream components from surge or fault damage through integrated overcurrent protection. - Supports consistent safety practices across facilities that rely on standardized, reputable electrical products. Specifications at a glance - Amperage rating: 30A - Product type: Fused Safety Switch - Brand: Square D - Model: HU361DS Practical guidance for use - Pair with compatible Square D accessories and enclosures to ensure a complete, code-conscious isolation solution. - Use as a dedicated service disconnect for equipment that requires frequent maintenance cycles to minimize downtime. - Verify fuse integrity during routine inspections to maintain reliable protection and predictable operation. If you’re upgrading safety infrastructure or engineering a new control system, the Square D HU361DS 30A Fused Safety Switch offers a tangible combination of dependable isolation, maintenance-safe design, and clear, long-term value for industrial and commercial electrical installations.