Square D HLA36150UN 150A 3-Pole 600 V Circuit Breaker

Engineered for dependable protection in demanding commercial and industrial environments, the Square D HLA36150UN is a robust 3‑pole circuit breaker designed to guard three‑phase power systems with precision. With a 150 amp rating and a 600‑volt maximum, this breaker provides reliable overcurrent protection for critical equipment, conveyors, motors, and distribution feeders in harsh electrical landscapes.

• Part Number: HLA36150UN
• Current Rating: 150 A
• Poles: 3 (Three‑Pole)
• Voltage Rating: 600 V
• Brand: Square D

Ideal for three‑phase circuits in panelboards and distribution panels, the HLA36150UN excels in protecting motors, pumps, fans, and other heavy loads that rely on stable three‑phase power. The three‑pole design ensures balanced protection across all phases, helping prevent equipment damage and unexpected downtime caused by overcurrent events.

Think of this switchgear component as the guardian of your essential systems: install it in Square D compatible enclosures and panels where 3‑phase protection at up to 600 V is required. Its form factor and mounting align with Square D standards, simplifying replacement or upgrade projects and minimizing installation time.

Key benefits you’ll feel in everyday operation include streamlined maintenance workflows, clearer fault isolation across all three phases, and the confidence that your power distribution stays within safe limits. This model is a dependable choice for facilities managers, electrical contractors, and maintenance teams who value consistency, ease of integration, and durable protection for high‑demand equipment.

Use cases span from manufacturing floors and HVAC distribution to large commercial spaces and data center ancillary circuits where 3‑pole protection at 150 A helps maintain uptime. When you select the Square D HLA36150UN, you’re choosing a trusted, compatible solution for safeguarding sophisticated electrical systems without compromising on performance.

Ready to reinforce your panel with precise 3‑pole 150 A protection at 600 V? The Square D HLA36150UN is designed to slot into compatible Square D installations seamlessly—deploy it where stable, reliable overcurrent protection matters most.