Square D HDA36150SKYP 150A 3-Pole 600 V Circuit Breaker

Introducing the Square D HDA36150SKYP 150A 3-Pole 600 V Circuit Breaker—a purpose-built overcurrent protector tailored for three‑phase electrical distributions. This 150 A unit delivers reliable shutdown across all phases in systems up to 600 volts, making it an ideal upgrade or replacement for industrial panels that rely on Square D components. The part number HDA36150SKYP ensures precise compatibility within Square D installations, helping you keep spare parts and maintenance straightforward.

Key specifications

• Part Number: HDA36150SKYP
• Current rating: 150 A
• Poles: 3
• Voltage rating: 600 V

Three-pole protection for balanced, safe shutdown

Designed for three‑phase environments, this 3‑pole breaker protects all conductors simultaneously. By tripping across all phases in fault conditions, it prevents dangerous phase imbalances and minimizes the risk of damage to motors, feeders, and downstream equipment. With a 150 A rating, it is suited for feeding mid‑to‑large industrial loads while maintaining clear, coordinated shutdown behavior.

Ideal use cases

• Industrial motor feeders and branch circuits in commercial/industrial facilities up to 150 A
• Three‑phase distribution panels that rely on Square D components for reliability and compatibility
• Replacement or upgrade within existing Square D installations to maintain system consistency

What sets it apart

Beyond basic protection, the HDA36150SKYP integrates seamlessly with Square D ecosystems, supporting straightforward maintenance and panel harmony. Its three‑pole design provides a cohesive solution for three‑phase distribution, while the 600 V rating extends protection across demanding industrial environments. Built for dependable performance, it helps ensure consistent trip characteristics and predictable protection for critical loads.

Practical considerations

• Verify panel compatibility with the HDA36150SKYP and the broader HDA family before replacement
• Follow panel labeling and official Square D documentation for mounting orientation and installation guidelines
• Keep a compatible spare on hand to minimize downtime in maintenance or after fault events

With its precise 150 A rating, robust 3‑pole construction, and 600 V protection, the Square D HDA36150SKYP stands out as a reliable, long‑term solution for safeguarding three‑phase circuits in demanding electrical environments.