Square D HGA36150U31XAABCSJYP 150A 3-Pole 600 V Circuit Breaker

Meet the Square D HGA36150U31XAABCSJYP 150 A 3-Pole 600 V Circuit Breaker — a robust protection solution for demanding 3-phase electrical systems. Built to safeguard heavy-load feeders and critical equipment, this breaker delivers dependable overcurrent protection in commercial and light industrial panels.

Core specifications at a glance

• Current rating: 150 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HGA36150U31XAABCSJYP
• Brand: Square D

Why this model stands out

• Three-pole protection for balanced 3-phase systems: The 3-pole design ensures synchronized protection across all phases, helping prevent phase imbalances that can stress motors, pumps, and conveyors.
• High-voltage readiness: With a 600 V rating, it’s suitable for shielding 3-phase feeders in industrial and commercial environments that operate at higher voltage levels.
• Trusted brand lineage: Square D is synonymous with reliability in electrical protection, offering predictable performance and easier sourcing for maintenance and replacements.

Practical applications and scenarios

• Protect 3-phase motors (compressors, fans, conveyors) and large equipment fed from 3-phase distribution lines.
• Serve as the primary overcurrent protection for feeders in commercial or light industrial panels rated for up to 150 A per phase.
• Ideal upgrade for aging panels that require a dependable, high-capacity breaker to reduce nuisance trips and improve system stability.

Installation and compatibility considerations

• Designed for panels that accept 3-pole, 600 V circuit breakers in the Square D family. Verify panel compatibility and ensure correct fitment for safe operation.
• Plan for proper electrical clearances and follow local electrical codes during installation and maintenance. When in doubt, consult a qualified electrician to ensure correct sizing and safe mounting.

Choosing the Square D HGA36150U31XAABCSJYP means investing in a proven, high-capacity protection solution that keeps critical 3-phase loads safeguarded against overloads and short circuits. If you’re engineering or upgrading a 3-phase distribution setup that operates up to 150 A at 600 V, this circuit breaker delivers dependable performance and a reliable path to long-term system resilience.