Square D HU363RB - 100A, 600V, 3-Pole, Safety Switch

The Square D HU363RB 100A, 600V, 3-Pole Safety Switch is built for industrial and commercial environments where safe electrical isolation is non-negotiable. Designed to support proper lockout/tagout procedures and deliver dependable disconnection under load, this Safety Switch stands up to demanding daily use and harsh operating conditions, providing a reliable clearing point for maintenance, servicing, and emergency shutdowns.

Why the HU363RB Stands Out

• Three-Pole isolation: A complete, all-around disconnect that ensures every line is safely separated, reducing risk during servicing and fault scenarios.
• 100A current rating: Suited for medium to large equipment feeds and distribution circuits without compromising safety or reliability.
• 600V voltage rating: Ready to handle common industrial distributions, enabling safe operation across varied applications and environments.
• Lockout/Tagout readiness: Specifically designed to support standard lockout/tagout procedures, helping facilities stay compliant during maintenance and repair work.
• Durable, long-term performance: Built to endure repetitive cycling and demanding settings, delivering consistent isolation when you need it most.

What problems this safety switch solves

• Provides a clearly defined, safe disconnection point to protect technicians during maintenance or service work.
• Minimizes downtime by offering quick, reliable isolation without compromising on worker safety.
• Helps ensure compliance with workplace safety protocols by supporting robust lockout/tagout practices.
• Supports dependable operation in environments where electrical feeds must be isolated under load conditions.

Ideal use cases

• Motor control centers and feeder panels requiring a dedicated, safe disconnect point.
• Industrial and commercial equipment lines that need reliable under-load disconnection for servicing or shutdowns.
• Facilities implementing rigorous lockout/tagout programs to protect maintenance personnel.
• New installations or panel upgrades where a proven, durable safety switch is essential.

Specifications at a glance

• Amperage Rating: 100A
• Voltage Rating: 600V
• Number of Poles: 3-Pole
• Product Type: Safety Switch
• Brand: Square D
• Model: HU363RB

Practical tips for optimal use

• Pair the HU363RB with compatible lockout devices and tagging hardware to maintain clear, recognized safety procedures during maintenance.
• Confirm that the switch’s voltage and current ratings align with your distribution system to ensure safe, reliable operation.
• Schedule regular inspections of the operating mechanism and enclosure to preserve dependable disconnection performance over time.
• Store a spare set of operating keys or tamper-evident seals in your safety program to support quick, compliant shutdowns when needed.
• Document and communicate the location of the safety switch within your facility plans to improve response times during outages or servicing.

Choose the Square D HU363RB when you need a purpose-built safety switch that emphasizes safe isolation, compliance-friendly lockout/tagout support, and durable performance in challenging industrial environments. Its combination of 100A capacity, 600V rating, and 3-Pole configuration makes it a practical, reliable choice for safeguarding personnel and equipment across a wide range of applications.