Square D HGA36100U31XAABCSH 100A 3-Pole 600 V Circuit Breaker

Meet the Square D HGA36100U31XAABCSH 100A 3-Pole 600 V Circuit Breaker — a sturdy, three-phase protective device designed for reliable overcurrent protection in commercial and light industrial panels. With a 100 A rating and a 600 V maximum, this breaker is built to safeguard feeders, motors, and other crucial loads in demanding electrical environments.

• Three-pole design provides simultaneous disconnection of all three conductors, delivering robust protection for true three-phase circuits and helping prevent unsafe fault conditions.
• 100 A current rating is well-suited for feeders and motor circuits in mid-size commercial equipment or light industrial setups, helping to prevent nuisance trips while maintaining safety margins.
• 600 V voltage rating accommodates a wide range of industrial distribution networks, ensuring compatibility with common higher-voltage panel layouts.
• Part number clarity — HGA36100U31XAABCSH — simplifies ordering and replacement, reducing downtime and the risk of mismatched components in ongoing maintenance.
• Brand-aligned compatibility designed to fit Square D panels that accept this line of breakers, delivering predictable performance and reliable protection within your existing electrical infrastructure.

Ideal use cases

• Protections for three-phase motor circuits in manufacturing floors, pumps, and conveyor systems
• Feeder protection in commercial electrical rooms and service panels
• HVAC equipment protection including large compressors and air handling units
• Three-phase distribution in data centers, workshops, and other facilities with higher-voltage panel networks

Why choose this model? The combination of a 100 A rating with a 600 V ceiling and a dedicated three-pole configuration offers precise, reliable protection tailored to real-world three-phase systems. The specific HGA36100U31XAABCSH part name reduces replacement errors and ensures you’re selecting a breaker that matches your panel’s design and trip characteristics, helping to minimize downtime and maintenance surprises.

Practical tips for installation and use

• Verify that your panel is compatible with this exact model and that the line/load orientation aligns with the panel’s design.
• Power should be fully de-energized before replacement; use appropriate PPE and follow all safety protocols.
• Torque and installation specifics should follow the panel manufacturer’s guidelines and applicable electrical codes.
• Keep the part number handy (HGA36100U31XAABCSH) for future replacements or service references to ensure consistent protection characteristics.