Square D HJA36020AABCSHYP 36020A 3-Pole 600 V Circuit Breaker

Protect your three-phase power with confidence using the Square D HJA36020AABCSHYP. This 3-pole circuit breaker is designed for demanding 600 V electrical systems, delivering reliable protection for large-scale equipment, motors, and distribution panels. With the part number HJA36020AABCSHYP, you get a precise, purpose-built solution that fits Square D installations and replacement timelines you can trust.

Key specifications

• Part number: HJA36020AABCSHYP
• Current rating: 36020 A
• Poles: 3
• Voltage rating: 600 V
• Brand: Square D

Why this 3-pole, 600 V breaker stands out

Designed for three-phase circuits, this Square D breaker provides balanced protection across all three lines, helping to prevent phase imbalance that can stress heavy machinery and motors. The robust construction supports frequent cycling in demanding environments, making it a dependable choice for industrial and commercial installations that require durable, long-lasting overcurrent protection.

Ideal use cases

• Protection for large motors, conveyors, and heavy equipment in manufacturing facilities
• Main or branch circuit protection in industrial panels operating at up to 600 V
• HVAC systems with sizable electrical loads that demand reliable three-phase protection

What problems it solves

By interrupting fault currents in a timely and predictable manner, this breaker helps shield wiring, controllers, and connected devices from damage due to overloads or short circuits. Its 3-pole configuration ensures synchronized disconnection across all phases, reducing the risk of equipment failure and unplanned downtime.

Practical guidance for use

When selecting and replacing breakers, verify compatibility with your Square D panels and match the part number to ensure electrical characteristics align with your system requirements. For installation, follow standard safety practices and refer to manufacturer torque specs for terminations to maintain secure connections and reliable performance.