Square D HGA36100U31XAABCSK 100A 3-Pole 600 V Circuit Breaker

Square D HGA36100U31XAABCSK is a trusted 100 A, 3-pole, 600 V circuit breaker built for robust overcurrent protection in three-phase electrical systems. Designed to safeguard motor feeders, panelboards, and critical distribution lines, this device helps keep facilities running smoothly by interrupting fault currents quickly and reliably.

• Three-pole configuration optimized for three-phase power distribution, ensuring coordinated protection across all phases
• 100 A continuous current rating suitable for demanding loads such as motors, conveyors, and HVAC equipment
• 600 V maximum system voltage to accommodate industrial and commercial power networks
• Durable Square D design with straightforward replacement in compatible panels and switchgear
• Part Number HGA36100U31XAABCSK simplifies identification and ordering for maintenance and replacements

Who benefits most: facilities managers, electrical contractors, and maintenance teams responsible for 3-phase power in warehouses, manufacturing lines, data centers, and large commercial spaces. This breaker is ideal when you need dependable, predictable trip behavior in a familiar brand footprint.

Practical usage notes: install in standard Square D panelboards or compatible switchgear to protect upstream feeders and downstream equipment. Use in systems up to 600 V and ensure the surrounding enclosure and wiring practices meet local electrical codes. For best results, pair this breaker with properly rated conductors and label all protected circuits to streamline troubleshooting and maintenance.