Square D HDL36020AABCSJYP 36020A 3-Pole 600 V Circuit Breaker

The Square D HDL36020AABCSJYP is a robust three-pole circuit breaker engineered for reliable protection in demanding electrical systems. Built to handle three-phase service, this unit confidently safeguards equipment and personnel in industrial and commercial environments where power reliability matters most.

Key specifications

• Part number: HDL36020AABCSJYP
• Poles: 3
• Voltage rating: 600 V
• Current rating: 36020 A

What makes it unique

Designed by Square D, this 3-pole breaker is purpose-built for three-phase distribution, offering solid protection for motors, transformers, and other heavy-load equipment in 600 V environments. The direct-fit form and precise alignment with compatible Square D panels streamline replacement and maintenance, reducing downtime and ensuring consistent performance across panel banks.

Ideal use cases

• Three-phase motor circuits in manufacturing lines, conveyors, and pumps
• Distribution panels in warehouses and processing facilities
• Control centers and switchgear assemblies requiring reliable 600 V protection

Why you’ll value this breaker

• With a 3-pole configuration, it interrupts all live conductors at once, helping to prevent dangerous arc faults and equipment damage.
• Clear replacement path: Part number HDL36020AABCSJYP aligns with Square D compatibility, simplifying ordering and ensuring a proper fit within standard Square D enclosures.
• Efficient maintenance and downtime reduction: The compact, integrated design supports straightforward installation and quick swaps in active distribution panels.

Practical tips for installation and setup

• Verify that your distribution system operates within the 600 V rating and that the circuit breaker’s current rating aligns with the protected load.
• Ensure the panel and termination styles are compatible with Square D three-pole breakers of this type before replacement.
• Consult a qualified electrician to confirm correct mounting, wiring, and safety practices in accordance with local electrical codes.