Square D HLA36100AA 36100A 3-Pole 600 V Circuit Breaker

Introducing the Square D HLA36100AA 3-Pole 600 V Circuit Breaker — a heavy-duty protection solution designed for demanding three-phase power networks. With the part number HLA36100AA, this Square D breaker delivers a current rating of 36100 A across three poles at a voltage rating of 600 V, making it an ideal choice for robust industrial and commercial installations that require reliable over‑current protection.

Key specifications

• Brand: Square D
• Part number: HLA36100AA
• Poles: 3
• Current rating: 36100 A
• Voltage rating: 600 V

Why this breaker stands out

This 3‑pole design protects all phases of a 3‑phase circuit in a single device, ensuring coordinated disconnection across all conductors during fault conditions. Built to endure industrial environments, it offers dependable interruption performance and simplifies protection strategy by consolidating three protective channels into one unit. Its compatibility with Square D panels that support HLA-series breakers makes upgrades and replacements straightforward, reducing downtime and keeping critical systems online.

Use cases and scenarios

• Three‑phase motor circuits in manufacturing lines (such as pumps, conveyors, and fans) where balanced phase protection is essential.
• Main feeder protection for commercial facilities with 3‑phase services up to 600 V.
• Motor control centers and panelboards that require a reliable, easy-to-replace protective device.

Installation and maintenance tips

Install in panels validated to accept HLA-type breakers. Adhere to manufacturer torque specifications and ensure correct alignment with bus bars and mounting hardware. In industrial settings, perform regular inspections for signs of wear, overheating, or corrosion, and replace the unit promptly if any damage or degradation is observed, following local electrical codes and safety practices.

Why choose Square D

Square D protection devices are known for rugged, dependable performance in demanding environments. The HLA36100AA combines triple-phase coordination, high‑voltage capability, and straightforward replacement in a compact form, helping you minimize downtime and maintain reliable power distribution across your operations.