Square D HDA36040AABCSDYP 36040A 3-Pole 600 V Circuit Breaker

Meet the Square D HDA36040AABCSDYP — a purpose-built 3-pole circuit breaker designed to protect your 600 V electrical distribution with precise, reliable performance. This exact part is ideal for industrial panels that rely on the HDA series family, delivering dependable interruption for multi‑phase systems where every second of protection counts.

Core specifications

• Part number: HDA36040AABCSDYP
• Poles: 3
• Voltage rating: 600 V
• Current rating: 36040 A

Why this 3-pole breaker stands out

• Three-phase protection in one device: The 3-pole design safeguards all phases of your power distribution, helping prevent imbalance that can damage motors and equipment.
• Exact fit for Square D installations: Part of the HDA family, this breaker is engineered to align with Square D panels and bus configurations, reducing installation guesswork and ensuring reliable mounting.
• High‑voltage readiness: Rated for up to 600 V, it’s suited for commercial and industrial environments where higher voltage levels are common, providing confident protection across the distribution network.

Ideal use cases

• Replacement or upgrade within existing Square D HDA panel boards that require a 3-pole, 600 V solution.
• Protection for three‑phase motors, conveyors, pumps, and HVAC equipment in manufacturing facilities and large facilities.
• Panel modernization projects where maintaining voltage compatibility and coordinated protection is critical.

What problems it solves

• Prevents damage from short circuits or overloads across all three phases, helping avoid costly downtime.
• Delivers a straightforward, reliable replacement option that aligns with legacy Square D systems.
• Reduces maintenance complexity by providing a single, consistent protection device designed for 3‑phase 600 V environments.

Practical tips for installation and care

• Verify compatibility with your panel chassis and mounting kit before installation to ensure a secure, code-compliant fit.
• Inspect mounting hardware and bus connections for signs of wear or corrosion during replacement to maintain optimal performance.
• Document the part number (HDA36040AABCSDYP) in your maintenance logs for future servicing or stock planning.

Choose the Square D HDA36040AABCSDYP when you need a precise, dependable 3‑pole breaker for 600 V systems that aligns with established Square D assemblies. It’s built to protect your three‑phase distribution thoughtfully, so your equipment runs with fewer interruptions and greater reliability.