Square D HDA36150SLYP 150A 3-Pole 600 V Circuit Breaker

Meet the Square D HDA36150SLYP — a rugged 150 A, 3-pole circuit breaker designed for demanding three-phase power systems. From a trusted name in electrical protection, this 600 V class unit provides reliable safeguarding for motors, compressors, and other high-current equipment in commercial and industrial environments.

Designed for three-phase feeders, the HDA36150SLYP fits Square D panels and enclosures, delivering balanced, dependable protection across all phases. The 3-pole configuration helps prevent phase-to-phase faults and protects wiring, motors, and automation gear from overloads and faults, keeping downtime to a minimum.

Specifications

• Part Number: HDA36150SLYP
• Current Rating: 150 A
• Poles: 3
• Voltage Rating: 600 V

Why this breaker stands out

• Three-phase protection for balanced capacity across all legs, ideal for motors, HVAC, pumps, and other industrial loads.
• Square D reliability backed by decades of field use in commercial and industrial facilities, helping reduce nuisance trips and unexpected outages.
• Panel compatibility designed to integrate with Square D panels and enclosures, simplifying installation and maintenance in existing distributions.

Use cases and ideal environments

• Three-phase motor drives and conveyors in manufacturing or packaging lines
• Industrial HVAC and refrigeration circuits requiring robust protection at higher currents
• Power distribution feeds for data centers, warehouses, and large commercial applications

Installation and care tips

• Ensure the panel and bus design match the HDA36150SLYP’s specifications for safe, reliable operation.
• Verify the circuit’s voltage and current requirements align with the 600 V, 150 A rating before installation.
• Have a licensed electrician perform installation and periodic inspections to maintain optimal performance and safety.

Choosing the Square D HDA36150SLYP means investing in a proven, three-phase protection solution for demanding electrical systems. With its 150 A capacity, 3-pole design, and 600 V class rating, it’s a precise fit for critical equipment and high-current feeders that keep your operations running smoothly.