Square D HLA36020AABC 36020A 3-Pole 600 V Circuit Breaker

Square D HLA36020AABC is a rugged 3-pole, 600 V circuit breaker designed for demanding industrial and commercial power distribution. This part delivers reliable protection for three-phase systems, helping keep motors, drives, and other heavy equipment safe from overloads and electrical faults. Built to integrate with standard Square D panels, it’s a practical choice for new installations and panel upgrades alike.

Key details at a glance

• Part Number: HLA36020AABC
• Poles: 3
• Voltage Rating: 600 V
• Current Rating: 36020 A

Why this 3-Pole, 600 V breaker stands out

• Designed for three-phase protection, ensuring all phases disconnect together for safe, consistent performance in 3‑phase circuits.
• Square D’s trusted engineering provides dependable interruption capabilities in industrial environments, reducing the risk of cascade faults across motors and drives.
• Compact, component-friendly form that fits into common distribution panels and facilitates straightforward replacement in maintenance cycles.
• Particular suitability for setups where 600 V distribution is standard, such as commercial facilities, manufacturing lines, and equipment rooms.

Ideal use cases

• Three-phase motors and driven equipment (pumps, conveyors, compressors) in manufacturing or processing facilities.
• Feeder protection for HVAC systems, chillers, and large machinery where reliable phase isolation matters.
• Electrical distribution panels in industrial or high-demand commercial applications requiring robust phase protection.

Who should consider this breaker

• Electrical contractors and panel builders seeking dependable, compatible components for Square D panel systems.
• Facilities managers looking to upgrade protection for critical three-phase loads without overhauling existing panels.
• OEMs incorporating proven Square D protection into equipment enclosures and control systems.

Practical installation and use tips

• Verify that your panel or distribution system is rated for 600 V and supports 3-pole protection of this type.
• Ensure correct alignment and secure termination according to standard installation practices for three-phase breakers.
• Match the current rating to your load to achieve appropriate protection without nuisance trips.
• Keep a record of the Part Number (HLA36020AABC) for future replacements or maintenance synchronization with your Square D inventory.