Square D HDA36150U43XAABCSHYP 150A 600 V Circuit Breaker

Powerful and precise protection for your industrial and commercial electrical systems, the Square D HDA36150U43XAABCSHYP 150A 600 V Circuit Breaker is engineered to safeguard large feeders and critical equipment. With a 150-amp current rating and a 600-volt maximum, it stands up to demanding loads while delivering predictable, fast-acting protection when faults occur.

Designed to integrate seamlessly with compatible Square D distribution panels, this breaker is the smart replacement choice for panels that require the HDA36150U43XAABCSHYP part number. Its rugged construction and clear trip indicators help technicians quickly verify status during maintenance, reducing downtime and speeding up service calls.

• High-current protection: 150 A rating handles substantial feeder circuits and heavy equipment, helping prevent nuisance trips while maintaining safety during overloads.
• Wide voltage range: Rated up to 600 V, suitable for medium-voltage distribution in commercial and industrial environments.
• Direct compatibility: Built to align with Square D panel architectures that specify HDA36150U43XAABCSHYP, ensuring reliable fitment and consistent performance.
• Operational reliability: Engineered for long service life in demanding settings, with robust mechanical action and clear trip indication for quick diagnostics.

Use cases and scenarios:

• Feeder protection for large branch circuits in warehouses, manufacturing floors, and data centers where stable 150 A protection is essential.
• Main or sub-feed protection in commercial electrical rooms, ensuring critical equipment and loads are safeguarded from overcurrent events.
• Panel maintenance and upgrades where existing Square D systems specify the HDA36150U43XAABCSHYP part number for compatibility.

Practical guidance for procurement and installation:

• Confirm your panel family and catalog requirements align with the HDA36150U43XAABCSHYP part number to ensure accurate fit and functionality.
• Archive and label the breaker correctly within the electrical panel to facilitate future servicing and inspections.

Choosing the right circuit breaker is about more than amperage or voltage—it's about dependable protection that minimizes downtime and protects both people and equipment. The Square D HDA36150U43XAABCSHYP 150A 600 V Circuit Breaker delivers that reliability in a rugged, purpose-built package for demanding electrical systems.