Square D HLA36150UP 150A 3-Pole 600 V Circuit Breaker

The Square D HLA36150UP 150A 3-Pole 600 V Circuit Breaker is engineered to safeguard your three-phase electrical system with precision and reliability. Built for industrial and commercial environments, this breaker protects feeders and motors against overloads and short circuits while staying fully compatible with Square D panels you already rely on.

• Three-pole design for true three-phase protection — ideal for motors, pumps, conveyors, and other equipment that run on three-phase power.
• 150 amp rating — provides robust protection for high-draw circuits without sacrificing uptime or causing unnecessary trips.
• 600 V voltage rating — suitable for industrial distribution and equipment operating at higher voltages often found in plant floors and data centers.
• Seamless Square D compatibility — designed to install and function reliably within compatible Square D panels and distribution boards, helping you maintain a cohesive protection strategy.
• User-friendly maintenance and replacement — part of a familiar protection family, making stocking, replacement, and service straightforward for maintenance teams.
• Versatile use cases — from manufacturing lines and HVAC systems to large power distribution circuits, this breaker delivers dependable protection where it’s most needed.

Why choose this breaker matters: with the HLA36150UP you gain durable construction and dependable interruption of fault currents, all while integrating smoothly with your existing Square D infrastructure. It’s a precise upgrade for situations where you’re expanding three-phase power or consolidating protection into a single, trusted panel ecosystem.

Ideal for facilities managers, electrical contractors, and maintenance teams responsible for 3-phase power distribution, this device is a practical fit when your system requires a 3-pole, 150A, 600V protection solution from Square D. By aligning with common panel specifications, it helps you maintain safety, code compliance, and operational continuity across critical equipment and processes.

Practical tips for deployment: verify panel compatibility for the 3-pole 150A configuration, ensure correct mounting within Square D panels, and label circuits clearly to streamline future inspections and servicing. Regularly test protective devices as part of your preventive maintenance to keep critical loads safeguarded.