Matched our existing hardware and fit as expected. Clean install.
Maintenance · Retrofit work
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Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Introducing the Square D HLA36150U31XAABCSJYP 150A 3-Pole 600 V Circuit Breaker—a purpose-built overcurrent protection device designed to keep three-phase electrical systems safe and stable. This breaker is engineered for demanding environments where consistent performance and reliable trip response matter.
The HLA36150U31XAABCSJYP model delivers robust protection for 3-pole, 600-volt circuits with a 150-amp rating, making it well-suited for industrial and commercial distribution panels that power motors, pumps, and other heavy loads. With its three-pole configuration, it provides synchronized interruption across all phases, helping prevent line-to-line faults and uneven loading that could damage equipment.
Places where this circuit breaker shines include three-phase distribution panels in manufacturing facilities, HVAC systems with substantial motor loads, and data center cooling infrastructure. It's designed to protect feeders and branch circuits from overloads or short circuits, allowing for quick isolation of faulty sections while keeping the rest of the system running.
Consult your panel specification and follow local electrical codes when installing. Ensure the breaker type matches the panel's bus configuration and that wiring gauge and terminations are appropriate for 150 A. If you're replacing an existing device, verify that the form factor and trip characteristics align with your panel’s protective requirements. When in doubt, contact a licensed electrician to confirm compatibility and safe setup.
Ready to secure your three-phase electrical system with trusted Square D protection? Add the Square D HLA36150U31XAABCSJYP 150A 3-Pole 600 V Circuit Breaker to your project inventory and enjoy reliable overcurrent protection that aligns with commercial and industrial needs.
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General feedback we often hear from customers purchasing industrial electrical parts.
Matched our existing hardware and fit as expected. Clean install.
Maintenance · Retrofit work
Quick confirmation on details and a smooth ordering process.
Purchasing · Fast turnaround
Came well packed. Labeling made receiving and staging easy.
Warehouse · Receiving