Square D HDL36150 150A 3P 600V Circuit Breaker | AmpState

Meet the Square D HDL36150, a robust 150 A, 3-pole, 600V circuit breaker designed to shield panelboards, load centers, and electrical distribution systems from faults. This model is ideal for retrofit work and maintenance planning where keeping the exact part number ensures compatibility and minimizes installation surprises.

Designed for real-world electrical environments, the HDL36150 delivers consistent, three-phase protection for circuits up to 600V and 150 A, helping you prevent outages and equipment damage in commercial and industrial facilities.

• Retrofit-ready: Ideal when ongoing maintenance requires maintaining the same part number for easy inventory management and faster replacements.
• Three-pole protection: Safeguards three-phase circuits, reducing the risk of imbalanced loads and nuisance trips in multi-branch panelboards.
• Reliability you can trust: From Square D, a brand with long-standing reputation in electrical protection and distribution applications.
• Hassle-free procurement: Available through AmpState, with support to confirm fit and compatibility for your panelboard or load center.

Specifications

• Manufacturer: Square D
• Part Number: HDL36150
• Product Type: Circuit Breaker
• Amperage: 150 A
• Poles: 3
• Voltage: 600V

Who should consider this model?

Maintenance teams, electrical contractors, and facilities engineers who manage panelboards, load centers, or distribution panels and need a dependable, consistent replacement part that aligns with existing wiring, labeling, and protective characteristics.

How HDL36150 solves common challenges

• Minimizes downtime during retrofits by ensuring a precise part-number match for existing installations.
• Streamlines spare-parts inventories with a standardized 150 A, 3P, 600V solution for three-phase systems.
• Provides reliable protection for feeders and critical circuits in commercial and industrial settings.

If you’re ready to verify fit or need help confirming compatibility with your panelboard or load center, AmpState is available to support your matching process and installation planning.