Square D HJL36030AABCSK 36030A 3-Pole 600 V Circuit Breaker

Secure, reliable overload and short-circuit protection for your 3-phase 600 V system with the Square D HJL36030AABCSK. This is the exact Square D circuit breaker you need when maintaining or upgrading industrial or commercial electrical panels, delivering dependable performance under demanding loads.

Part number HJL36030AABCSK is designed for 3-Pole, 600 V circuits, offering true three-wire, three-phase protection. With a listed current rating of 36030A, it’s built to handle high-demand motor loads, feeders, and distribution circuits while providing precise, predictable tripping behavior when faults occur. This OEM component integrates smoothly into existing Square D panel ecosystems, reducing compatibility issues and inventory complexity.

Key benefits

• 3-Pole configuration ensures simultaneous disconnection of all three phases, preserving system balance and preventing phase-to-phase faults.
• 600 V voltage rating aligns with typical medium-voltage distribution environments found in industrial and commercial facilities.
• Current rating of 36030A supports demanding equipment like large motors, pumps, conveyors, and HVAC drives, helping protect valuable assets and minimize downtime.
• Genuine Square D construction and part history — optimal for panel compatibility and long-term reliability.
• Clear, traceable identification through part number HJL36030AABCSK for accurate ordering and maintenance records.

Ideal applications

Perfect for industrial control panels, commercial electrical rooms, and manufacturing environments where three-phase equipment runs at 600 V. Use it as a replacement for aging breakers to restore reliable protection for motors, compressors, pumps, and other heavy loads. Its three-pole design makes it especially valuable in systems where maintaining phase integrity is critical for equipment longevity.

Practical installation and care tips

• Always de-energize the system before removal or installation. Follow lockout/tagout procedures and consult panel labeling for torque specs.
• Verify compatibility with your exact panel model and listing to ensure proper fit and safety compliance.
• Use as part of a scheduled maintenance plan—inspect for wear, corrosion, and proper tripping performance during routine tests.

Why choose this OEM breaker

Choosing the Square D HJL36030AABCSK means aligning with a trusted brand and a proven design inside many 600 V, 3-phase distribution networks. The part’s specificity (3-Pole, 600 V, 36030A rating) reduces guesswork during replacements and supports consistent protection across your electrical infrastructure, helping you avoid over- or under-sizing protection devices.

If you’re replacing a failed unit or stocking spare parts for a busy facility, the Square D HJL36030AABCSK 36030A 3-Pole 600 V Circuit Breaker offers precise compatibility, robust protection, and peace of mind for essential electrical systems.