Square D HGA36150U31XAABCSH 150A 3-Pole 600 V Circuit Breaker

Square D presents the HGA36150U31XAABCSH 150A 3-Pole 600 V Circuit Breaker—engineered for robust three-phase protection in demanding electrical environments. This precise part is designed to safely interrupt fault current in 3-phase systems, helping keep equipment and personnel protected while maintaining reliable power distribution.

Key specifications at a glance:

• Current rating: 150 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HGA36150U31XAABCSH
• Brand: Square D

This model’s 3-pole design is tailored for 3-phase distribution, providing balanced protection across all conductors in commercial and industrial electrical infrastructures. The HGA36150U31XAABCSH is a dependable choice for circuits that drive heavy-duty equipment, large HVAC installations, or multi-motor drives, where reliable overcurrent protection is essential for uptime and safety.

What makes this Square D circuit breaker stand out is its exact part-number precision, ensuring a perfect fit in compatible panels and enclosures. By matching the HGA36150U31XAABCSH specification, you reduce the risk of installation mismatches and simplify maintenance and stocking—important factors in fast-moving industrial environments.

Ideal use cases include:

• Three-phase feeders in commercial or industrial power distribution rooms
• Motor control circuits for conveyors, pumps, and large fans
• Branch protection within panel boards that require 150 A, 3-pole 600 V capability

Why choose this model over alternatives is simple: it pairs exact compatibility with Square D panels and system layouts, delivering predictable performance in everyday operation and during fault conditions. For facility managers, electricians, and integrators, the HGA36150U31XAABCSH offers a clear, reliable path to maintaining safe, compliant, and efficient electrical systems.