Square D HDA36060U44XAABCSK 60A 3-Pole 600 V Circuit Breaker

Meet the Square D HDA36060U44XAABCSK — a rugged 60 A, 3-pole circuit breaker designed for reliable protection of heavy‑duty, three‑phase electrical systems up to 600 V. Built to withstand challenging environments in commercial and industrial panels, this device delivers dependable overcurrent protection when it matters most.

Core specifications you can rely on

• Current rating: 60 A
• Poles: 3
• Voltage rating: up to 600 V
• Part number: HDA36060U44XAABCSK
• Brand lineage: Square D, a trusted name in electrical safety and distribution

What makes this circuit breaker stand out

• The 3‑pole design provides synchronized interruption across all phases, helping prevent unbalanced loads and protecting motors, drives, and other equipment from phase faults.
• Industrial‑grade reliability: Engineered for durable performance in demanding panels, this unit supports long service life in control centers, manufacturing lines, and HVAC systems.
• Clear compatibility with Square D systems: As part of the Square D portfolio, it integrates smoothly with compatible panels and distribution gear, reducing installation hurdles and ensuring consistent protective behavior.
• Conservative voltage headroom: Rated for up to 600 V, it provides a solid safety margin for a wide range of industrial installations and equipment configurations.

Ideal use cases

• Protecting 3‑phase motor circuits in manufacturing equipment, conveyors, pumps, and mixers
• Feeding large three‑phase power circuits in commercial HVAC systems or data center infrastructure
• Serving as a reliable main or branch circuit breaker in Square D panel boards and switchgear

Why this matters for your operation

Choosing the HDA36060U44XAABCSK means prioritizing uptime and equipment protection. With precise current interruption and robust construction, you minimize the risk of cascading faults that can lead to expensive downtime. This breaker is not just a safety device—it's a strategic component that keeps production lines moving and protects valuable assets in demanding environments.

Practical installation and care tips

• Verify compatibility with your Square D panel or switchgear that accepts HDA‑series breakers.
• Ensure proper mounting orientation and secure termination of all conductors to maintain optimal trip performance.
• Follow electrical codes and the panel labeling to confirm correct amperage ratings and trip settings during replacement.