Square D HGA36150U43XAABCSJ 150A 3-Pole 600 V Circuit Breaker

Meet the Square D HGA36150U43XAABCSJ 150A 3-Pole 600 V Circuit Breaker — a robust three-phase protective device designed to shield your electrical distribution from overloads and faults. With a 150-amp current rating, three poles, and a 600-volt capacity, this breaker is built to keep demanding industrial and commercial systems running smoothly.

Core specifications that matter

• Current rating: 150 A
• Poles: 3 (three-phase protection across all lines)
• Voltage rating: up to 600 V
• Part number: HGA36150U43XAABCSJ
• Brand lineage: Square D, a trusted name in electrical protection and distribution

Why this model stands out

• Balanced three-phase protection: The 3-pole design ensures all phases receive synchronized protection, helping prevent equipment damage from imbalanced loads and phase faults.
• High-capacity protection: A 150 A rating makes it suitable for main or feeder protection in mid-sized panelboards and industrial control setups.
• Versatile voltage compatibility: Rated up to 600 V, making it compatible with a wide range of three-phase power distributions found in commercial and industrial environments.
• Clear part identification: The exact part number HGA36150U43XAABCSJ simplifies procurement, stocking, and service compatibility across panels and replacement cycles.

Ideal use cases

• Three-phase motor feeders in manufacturing lines, conveyors, and processing equipment
• Distribution panels in commercial facilities that require reliable three-phase protection
• feeders in control panels and industrial automation setups where coordinated phase protection is crucial
• Replacement breakers in existing Square D installations that call for the HGA36150U43XAABCSJ specification

Installation, safety, and practical tips

• Install this breaker in compatible Square D panelboards or distribution equipment designed for three-phase protection up to 600 V.
• Ensure the system load does not exceed the 150 A rating to maintain proper protection and avoid nuisance tripping.
• Follow all applicable electrical codes and the panel manufacturer’s installation guidelines for mounting, wiring, and torqueing terminal connections.
• Periodically inspect for signs of wear, overheating, or corrosion in the bus bar connections, and replace the unit if you notice any damage or abnormal operation.
• Use this exact part number (HGA36150U43XAABCSJ) when ordering replacements to maintain consistent protection characteristics and panel compatibility.

For reliable, line-side protection in three-phase systems, the Square D HGA36150U43XAABCSJ 150A 3-Pole 600 V Circuit Breaker delivers decisive, dependable performance. Add it to your order and ensure your distribution network stays safeguarded against overloads and faults with a trusted Square D solution.