Square D HJA36150U31X - 150 A, 600 V, 10-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D HJA36150U31X—the robust 150 A, 600 V, 10-pole plug-in molded case circuit breaker designed for dependable branch circuit protection in panelboards and load centers. With a fast plug-in connection, it enables swift installation and painless replacement, keeping downtime to a minimum on demanding electrical timelines.

Why this breaker stands out

• streamlined installation and rapid swaps reduce service time and field labor.
• delivers stable, repeatable protection by precisely reacting to overloads and short circuits, even as electrical loads fluctuate.
• engineered to integrate smoothly with matching Square D load centers and panelboards for a seamless, code-compliant fit.
• suitable for residential, commercial, and light industrial applications where reliable protection and long-term performance matter.

Technical snapshot

• Manufacturer: Square D
• Part Number: HJA36150U31X
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 150 A
• Voltage Rating: 600 V
• Number of Poles: 10
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

• Large panelboards and load centers where multiple branch circuits require organized, multi-pole protection.
• Replacement or upgrade scenarios in Square D systems that demand exact compatibility and predictable response.
• Commercial spaces, light industrial facilities, and residential complexes with demanding protection needs and room to spare for future expansion.

Installation & compatibility

The plug-in design not only accelerates installation but also simplifies field servicing. Rely on the thermal-magnetic protection to react quickly to overloads while delivering consistent trip characteristics across varying temperatures and load conditions. For best results, pair this breaker with the corresponding OEM load centers and panelboards to maintain electrical integrity, meet code requirements, and ensure coordinated protection across the distribution system.

Equip your electrical distribution with the Square D HJA36150U31X for precise, reliable branch circuit protection that’s ready to withstand the demands of modern power usage. Add to your panel today to enhance protection, performance, and serviceability.