Square D HDL36020AABCSD 36020A 3-Pole 600 V Circuit Breaker

Meet the Square D HDL36020AABCSD 36020A 3-Pole 600 V Circuit Breaker — a purpose-built protection device designed for demanding three-phase power systems. This genuine Square D component delivers reliable overload and fault protection for industrial and commercial applications, keeping critical equipment safe while reducing downtime.

Designed for three-phase distribution, this 3-pole breaker accommodates higher-current, higher-voltage environments up to 600 V. With a current rating listed as 36020 A, it is built to handle substantial load profiles in modern facilities, providing predictable, stable trip performance when electrical conditions exceed safe limits. The HDL36020AABCSD part number guarantees authentic compatibility within Square D panels and accessories, ensuring seamless replacement and maintenance.

Who it's for

Ideal for facilities with three-phase power needs—manufacturing floors, data centers, large commercial buildings, and industrial plants—where dependable circuit protection is essential to protect motors, drives, lighting, and other critical loads from overloads and short circuits.

Key features and benefits

• Three-pole design for true three-phase protection, helping maintain balanced loads and system stability
• 600 V maximum voltage rating, suitable for industrial power distribution and higher-energy circuits
• Genuine Square D part HDL36020AABCSD ensures reliable compatibility and straightforward replacement in compatible panels
• Clear current rating alignment with demanding applications, supporting robust protection for high-load environments
• Durable construction designed to perform consistently under the rigors of continuous operation

Specifications at a glance

• Part Number: HDL36020AABCSD
• Current rating: 36020 A
• Poles: 3
• Voltage rating: 600 V

Practical usage and installation tips

Use this breaker to safeguard three-phase circuits feeding motors, transformers, and heavy equipment in environments where 600 V systems prevail. Before installation, verify panel compatibility and ensure the unit is the correct replacement for the existing HDL series or Square D panel model in use. Regularly inspect connections and test trip functionality according to your site’s maintenance schedule to keep protection reliable year after year.