Square D HGA36100SH 100A 3-Pole 600 V Circuit Breaker

Meet the Square D HGA36100SH 100A 3-Pole 600 V Circuit Breaker—a purpose-built protection device for demanding three-phase power systems. With a 100-amp rating and a true three-pole design, this breaker is engineered to shut down all three conductors together in the event of an overcurrent, helping reduce arc-flash risk and keep your distribution panel safe and reliable in everyday operation.

Specifications at a glance

• Part Number: HGA36100SH
• Current rating: 100 A
• Poles: 3 (three-pole design for 3-phase systems)
• Voltage rating: 600 V

Why this breaker stands out

Designed for serious three-phase environments, the Square D HGA36100SH provides robust protection for feeders andBranch circuits in commercial and light industrial panels. The 3-pole configuration ensures simultaneous disconnection of all phases, which is crucial for machines and equipment that rely on balanced 3-phase power. Its 600 V rating supports a wide range of installation scenarios, from industrial machinery to large lighting and distribution networks, delivering dependable performance when you need it most.

Ideal applications

• Three-phase feeders in commercial or light industrial electrical panels
• Motor and equipment circuits that require 3-pole protection up to 100 A
• Replacement or upgrade in existing Square D systems to maintain panel compatibility
• Primary protection for distribution circuits in areas with higher voltage availability

Installation and compatibility tips

To get the most reliable performance, ensure your installation aligns with the system’s three-phase configuration and voltage levels. Verify that HGA36100SH is compatible with your panel’s labeling and slot type, and follow safe electrical practices during installation. If in doubt, consult a licensed electrician to confirm correct sizing, mounting, and wiring for your specific panel and application.

With the Square D HGA36100SH 100A 3-Pole 600 V Circuit Breaker in your electrical lineup, you gain precise overcurrent protection tailored for 3-phase loads, predictable trip behavior, and safer, more dependable distribution across your facility’s power network.