Square D HGL36020AABC 36020A 3-Pole 600 V Circuit Breaker

Powerful, reliable protection for three-phase electrical systems, the Square D HGL36020AABC 36020A 3-Pole 600 V Circuit Breaker is built to safeguard critical equipment in both commercial and industrial environments. This exact part ensures compatibility with Square D panels and delivers dependable overcurrent protection across three phases when you need it most.

• Part Number: HGL36020AABC
• Poles: 3
• Voltage Rating: 600 V
• Current Rating: 36020 A

Why this 3-Pole 600 V breaker stands out

Designed for three-phase circuits, this breaker protects all three lines with a single device, simplifying panel layouts and improving fault response. The 600 V rating makes it suitable for industrial distribution and equipment protection where higher line voltages are present, helping maintain system safety and continuity.

Who benefits from this part

Electrical contractors, facility managers, panel manufacturers, and service professionals who require precise compatibility with Square D systems will find the HGL36020AABC to be a dependable choice for ongoing maintenance and upgrades.

Practical use cases

• Protect three-phase motors and equipment on manufacturing floors
• Provide reliable protection for large HVAC and compressor systems in commercial buildings
• Stock parts for routine panel replacements to minimize downtime and keep systems running smoothly

Installation and maintenance tips

Match this breaker to an existing Square D panel with the same form factor and current rating to ensure consistent trip characteristics. Follow all local electrical codes and the manufacturer’s installation instructions. When performing replacements, verify that the enclosure, bus configuration, and wiring are compatible with the HGL36020AABC to maintain safety and performance.

What you gain

With the Square D name behind it, this circuit breaker offers predictable protection for demanding environments, helping to prevent damage from overcurrents and keep crucial systems online. The exact part number—HGL36020AABC—ensures you’re deploying the right device for your three-phase 600-volt distribution, reducing guesswork and simplifying procurement.