Schneider Electric | HJA36150U43X | Circuit Breaker | 150A | 3-Pole

Meet the Schneider Electric HJA36150U43X Circuit Breaker — a precise, high-capacity protection device designed for demanding electrical systems. With a 150A rating and a 3-pole configuration, this unit is built to safeguard three-phase circuits while supporting maintenance, retrofit, and replacement projects with confidence.

Key specifications

• Amperage: 150A
• Poles: 3-Pole

Why this Schneider Electric breaker stands out

• Exact compatibility reference: The HJA36150U43X part number is the most reliable guide for ensuring the breaker fits your panel and maintains correct ratings.
• Three-pole protection: Ideal for balanced protection of three-phase electrical systems, helping to prevent uneven current distribution and equipment stress.
• Purpose-built for service needs: Designed with maintenance, retrofit, and replacement campaigns in mind to minimize downtime and maximize compatibility.

Ideal use cases

• Maintenance: Replace worn or aging breakers quickly to keep your panel performing reliably during service windows.
• Retrofit: Upgrade or modify existing three-phase installations where a 150A, three-pole protective device is required.
• Replacement: Swap in a like-for-like unit in compatible Schneider Electric systems to restore optimal protection.

Compatibility and installation tips

Before purchasing, verify fit and ratings with your panel documentation. Rely on the HJA36150U43X part number as the best reference for ensuring proper compatibility and safe operation.

Practical considerations

• Designed for three-phase distribution systems, helping maintain balanced protection across all phases.
• Using the correct part number reduces the risk of mismatches that can affect safety and performance.

Incorporating this Schneider Electric circuit breaker into your project means dependable overcurrent protection for high-demand 3-phase environments, backed by a trusted brand and a part-number-first approach to compatibility. If your installation calls for a 150A, 3-pole solution, this HJA36150U43X unit is purpose-built to meet that requirement.