Square D HDA36020AABC 36020A 3-Pole 600 V Circuit Breaker

Meet the Square D HDA36020AABC 36020A 3-Pole 600 V Circuit Breaker—a purpose-built solution for robust protection in demanding 3‑phase electrical systems. Designed to carry a current rating of 36020 A, this unit combines precise current protection with reliable performance in industrial environments. The part number HDA36020AABC ensures you’re selecting an exact replacement for compatible Square D panels, delivering consistency and peace of mind across maintenance and upgrades.

Key specifications at a glance

• Current rating: 36020 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HDA36020AABC

Why this 3-pole, 600 V breaker matters

In three-phase systems, balanced protection across all conductors is essential. This 3-pole design provides coordinated overcurrent protection for each phase, helping to prevent arc faults and reduce damage to motors, drives, and other 3‑phase equipment. The 600 V rating makes it suitable for higher-voltage industrial applications, where dependable interruption capability is critical for safety and uptime.

Ideal use cases

• Industrial manufacturing lines with 3-phase equipment and 600 V distribution
• Motor control centers and drive systems that require reliable phase protection
• Commercial/industrial facilities undergoing panel upgrades or replacements with Square D compatibility

Practical considerations and tips

To maximize performance and safety, ensure that the panel and conductors are compatible with the HDA series and that the voltage rating aligns with your system. Keep the exact replacement in mind—the HDA36020AABC designation helps you source the correct unit without guesswork during maintenance or part replacement. For any installation, follow local electrical codes and standard safety practices to maintain a compliant and protected power distribution system.