Square D HLA36150US 150A 3-Pole 600 V Circuit Breaker

For professionals safeguarding three-phase power in commercial and industrial settings, the Square D HLA36150US 150A 3-Pole 600 V Circuit Breaker delivers reliable protection with straightforward integration into your electrical distribution. This unit is specifically designed to interrupt all three phases together, helping to prevent phase-to-phase faults and reduce downtime during maintenance or in fault conditions.

• Current rating: 150 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HLA36150US

Designed for three-phase circuits, this 150A, 3-pole breaker is ideal for protecting motors, conveyors, HVAC equipment, pumps, and other heavy-load machinery in facilities where reliable interruption of all live conductors is critical for safety and equipment longevity. With a 600 V rating, it accommodates standard industrial distribution systems while providing robust fault protection when a surge or overload occurs.

Why choose this Square D breaker? It’s engineered to fit into Square D distribution panels and compatible enclosures, offering consistent performance and predictable trip characteristics that align with three-phase load profiles. By tripping all poles simultaneously, it minimizes the risk of lingering phase faults and ensures safer, faster recovery after a fault.

Practical use scenarios:

• Protecting three-phase motors in manufacturing lines where uninterrupted production is essential.
• Guarding HVAC and pump assemblies in large commercial facilities to prevent cascading faults.
• Integrating into new builds or panel upgrades where a dependable 3-pole, 600 V protection device is needed.

If you’re stocking replacement components for a Square D system, the Square D HLA36150US 150A 3-Pole 600 V Circuit Breaker is a precise, durable choice that aligns with standard industrial electrical protection practices and is ready to meet the demands of demanding power environments.