Square D HDA260301AA 260301A 2-Pole 600 V Circuit Breaker

Square D HDA260301AA is a purpose-built 2-pole circuit breaker designed to provide reliable overcurrent protection in industrial and commercial electrical panels. With a voltage rating up to 600 V, this unit is engineered to safely interrupt power on both conductors, helping to protect connected equipment and reduce downtime in demanding environments. The part number HDA260301AA corresponds to the 260301A family, ensuring a precise replacement fit for compatible Square D installations.

• Poles: 2-pole configuration for simultaneous disconnection of both hot legs.
• Voltage rating: 600 V maximum, suitable for mid- to high-voltage distribution circuits.
• Part designation: HDA260301AA (also associated with the 260301A lineage) for exact match and reliable compatibility in Square D panels.
• Application: Ideal for protecting branch circuits and feeders within commercial or light industrial electrical systems that require robust 2-pole protection at 600 V.

Who should consider this breaker? electrical contractors, facility managers, and maintenance teams maintaining Square D panels and seeking a dependable, straightforward replacement for 2-pole 600 V protection. It’s well-suited for scenarios where a paired-disconnection approach enhances safety and protects critical equipment such as motors, pumps, HVAC drives, and other 600 V loads.

Practical guidance for use: verify that your panel model and bus configuration support a 2-pole 600 V breaker in the HDA family, then match the exact part number (HDA260301AA / 260301A) to ensure proper fit and interrupting performance. Always follow proper lockout/tagout procedures and local electrical codes when installing or replacing circuit breakers.

Choosing the Square D HDA260301AA means aligning with a long-standing protection standard in electrical distribution—delivering dependable interruption behavior and consistent performance across service and maintenance cycles.