Square D HLA36150U31XAABC 150A 3-Pole 600 V Circuit Breaker

Meet the Square D HLA36150U31XAABC — a dependable circuit protection solution engineered for demanding electrical environments. With a solid 150 A current rating and a robust 3-pole design, this 600 V circuit breaker is built to handle the demands of three-phase distribution while delivering reliable interruption when faults occur. The part number HLA36150U31XAABC ensures precise identification and compatibility within Square D systems, making sourcing and replacement straightforward for professionals.

Key specifications

• Current rating: 150 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HLA36150U31XAABC
• Configuration: Three-pole protection for three-phase circuits

Why this matters

In three-phase electrical networks, overcurrent protection is essential to prevent equipment damage, reduce downtime, and enhance safety. The Square D HLA36150U31XAABC delivers decisive protection for feeders and branch circuits, allowing quick isolation of faults and minimizing collateral impact on surrounding equipment. Its 600 V rating makes it suitable for higher-voltage distribution scenarios, while the 150 A capacity supports sizable loads common in industrial and commercial settings.

Ideal use cases

• Protecting three-phase feeders in industrial panels and switchgear
• Guarding motor circuits and distribution circuits in commercial facilities
• Serving as a reliable replacement or upgrade within Square D panel-based architectures

Practical considerations

For optimal performance and safety, ensure proper installation according to local electrical codes and the specifications for your Square D system. Verify compatible panel board configurations, inspect connections for tightness, and schedule periodic functional checks to maintain reliability over time. The HLA36150U31XAABC designation simplifies ordering and inventory management for service teams and procurement professionals alike.