Square D HGA36150U33XAABC 150A 3-Pole 600 V Circuit Breaker

Meet the Square D HGA36150U33XAABC Circuit Breaker — a purpose-built safeguard for demanding three‑phase power systems. Engineered for reliability in high-load environments, this 150 A, 3‑pole unit is designed to interrupt fault currents quickly in 600 V circuits, helping protect both equipment and personnel.

Key identifiers you’ll rely on:

• Current rating: 150 A — capable of handling substantial three‑phase loads without compromising protection.
• Pole configuration: 3‑pole — ideal for three‑phase distribution used by motors, compressors, and heavy machinery.
• Voltage rating: 600 V — suitable for industrial and commercial power networks that operate at higher voltages.
• Part number: HGA36150U33XAABC — ensures precise compatibility with Square D panels and replacement programs.
• Brand trust: Square D — renowned for durable construction and consistent protection in challenging environments.

Why this model stands out

• Designed for compatibility with Square D enclosure systems, enabling straightforward upgrades, panel retrofits, or new installations without guesswork.
• Robust construction tailored to continuous-duty industrial settings, helping minimize downtime and maintenance hassles.
• Three‑pole configuration provides balanced protection across all phases, reducing the risk of unbalanced faults in motor and process circuits.

Practical use cases

• Protecting three‑phase motors, compressors, conveyors, and large pumps in manufacturing and processing facilities.
• Upgrading older panels to a higher ampacity protection scheme for expanded production lines or new equipment installations.
• Integrating into commercial HVAC or heavy electrical rooms where reliable 600 V protection is required.

Installation and safety notes

• Verify that the enclosure and bus connections are compatible with a 3‑pole, 600 V protection device and that the panel rating supports a 150 A branch breaker.
• Consult a qualified electrician to ensure correct installation, wiring, and coordination with nearby protective devices.
• Keep within the system’s intended operating range to prevent nuisance trips and ensure consistent protection performance.

Whether you’re upgrading an existing three‑phase distribution or specifying a reliable protector for a new build, the Square D HGA36150U33XAABC delivers clear, purposeful protection for high‑current, high‑voltage applications. Add this trusted 150 A, 3‑pole, 600 V circuit breaker to your electrical toolkit and safeguard critical equipment with precision.