Square D HDA260301AABCSD 260301A 2-Pole 600 V Circuit Breaker

Meet the Square D HDA260301AABCSD 260301A 2-Pole 600 V Circuit Breaker — a trusted protection device designed to safeguard two-hot-leg circuits in commercial and industrial electrical systems. With a 600 V maximum rating, this unit provides reliable overcurrent protection for feeders and branch circuits, helping minimize downtime and protect valuable equipment.

Part Number HDA260301AABCSD ensures an authentic Square D replacement that fits Square D panels and aligns with the 260301A family. The 2-pole design is ideal for multiwire branch circuits and two-pole feeders, common in control panels and distribution rooms.

Key specifications

• Part Number: HDA260301AABCSD
• Poles: 2
• Voltage Rating: 600 V
• Configuration: 2-pole circuit protection for two hot conductors
• Compatibility: Square D panels, 260301A family

This circuit breaker is crafted for installers who demand dependable, consistent trip performance and a precise fit. It’s an ideal upgrade or replacement for aging equipment in service panels, machine feeders, and power distribution networks where two-pole protection at up to 600 volts is required.

Use cases and benefits

• Protect two-hot-leg feeders in 240/120 V systems commonly found in commercial equipment and control panels
• Provide reliable protection for multiwire branch circuits, reducing arc-fault risk and unexpected downtime
• Serve as a durable replacement part that matches the original Square D specification for long-term reliability

Why choose this model over generic alternatives? Authentic Square D engineering means tighter tolerances, a consistent trip profile, and clearer labeling for service and maintenance. The HDA260301AABCSD is built to integrate with existing Square D distribution gear, ensuring seamless upgrades and fewer compatibility surprises.

Tips for selection and installation (in compliance with local codes): verify the part number, pole count, and voltage rating before replacement; handle with standard safety practices; and consult your panel’s labeling to confirm proper fitment.