Square D HGA36150UNYP 150A 3-Pole 600 V Circuit Breaker

Square D HGA36150UNYP is a robust 150A, 3-pole, 600V circuit breaker built to shield three‑phase electrical systems from overloads and faults. With this part, you’re choosing a trusted protection device from Square D designed to integrate with compatible panels and infrastructure, delivering dependable performance where it counts.

What makes this breaker stand out

• High-capacity protection: 150 A rating provides strong overcurrent protection for large feeders, machine circuits, and equipment drops in industrial or commercial installations.
• Three-pole design: Simultaneously interrupts all three hot legs in a three-phase system, ensuring balanced shutdown and safer fault clearing across the entire circuit.
• 600 V maximum system voltage: Suitable for distribution in environments where higher voltage levels are present, helping to protect power infrastructure and connected equipment.
• Brand-driven compatibility: Engineered to work with Square D panels and standard bus configurations, simplifying replacement, upgrades, or retrofits in existing setups.
• Reliability for demanding environments: Constructed to withstand industrial duty conditions, providing predictable performance when uptime matters most.

Ideal use cases

• Feeder protection for large motors, pumps, compressors, and processing equipment in manufacturing facilities.
• Main or sub-feed protection in commercial electrical rooms and data centers with three-phase distribution.
• HVAC and industrial automation panels where reliable three‑phase interruption at up to 600V is required.

Practical considerations for installation and maintenance

• Verify compatibility with your panel model and current bus configuration before installation.
• Label the circuit clearly to indicate protection for the three-phase feeder and connected equipment.
• Consult a qualified electrical professional for replacement or upgrade to ensure correct orientation, wiring, and safety compliance.

Choose the Square D HGA36150UNYP when you need a dependable, high-current, three‑phase breaker that aligns with existing Square D infrastructure. It’s crafted to protect critical loads, simplify maintenance, and keep industrial and commercial power systems running smoothly.