Square D HJA36030AABCSJYP 36030A 3-Pole 600 V Circuit Breaker

Square D HJA36030AABCSJYP is a rugged 3-pole circuit breaker designed to protect three-phase electrical systems at up to 600 V. With a listed current rating of 36030 A, this unit is built for reliable fault protection in demanding environments.

Why this 3-pole, 600 V breaker stands out

Because it’s engineered for three-phase protection, this breaker quickly isolates faults across all three lines, minimizing downtime and equipment damage. The 600 V rating ensures suitability for industrial power distribution and motor circuits typical in manufacturing, data centers, and large commercial facilities.

Key specifications

• Brand: Square D
• Part number: HJA36030AABCSJYP
• Poles: 3
• Voltage rating: 600 V
• Current rating: 36030 A

Ideal use cases

Use this breaker in service panels or distribution boards that support Square D HJA-series devices, protecting three-phase loads such as large motors, compressors, pumps, and three-phase power distribution trunks. It’s well-suited for facilities upgrading old protection schemes or consolidating panel space in compact installations.

How it helps your operation

• Protects equipment from overloads and short circuits across all three phases, reducing the risk of cascading faults.
• Facilitates safe, rapid disconnection of power when issues arise, helping maintenance teams diagnose and respond quickly.
• Supports compliance with electrical safety practices by providing clearly defined interruption points in your three-phase circuits.

Compatibility and installation notes

Ensure your panel accepts HJA-series breakers and that the voltage and current ratings align with your system requirements. Installation should be performed by a licensed electrician, following local electrical codes and manufacturer instructions. Keep part number HJA36030AABCSJYP handy for ordering replacements or cross-referencing in your inventory system.