Square D | HDA260205 | Circuit Breaker | 20A | 2-Pole | 600V | Plug-In

Meet the Square D HDA260205—a 20A, 2-pole, 600V plug-in circuit breaker built for reliable protection in modern electrical panels. This exact-match part is ideal for maintenance, retrofit, and replacement tasks where matching specifications matters, helping you keep critical circuits safe with minimal downtime.

Key specifications

• Amperage: 20 A
• Poles: 2-Pole
• Voltage rating: 600 V
• Mounting: Plug-In
• Part number: HDA260205

Real-world applications

Perfect for service panels where a reliable, straightforward replacement is needed, the HDA260205 enables quick retrofits and routine maintenance. It’s well-suited for dual-leg circuits (such as 240V loads) and multi-wire branches that demand simultaneous disconnection for safety and code compliance. This breaker is a practical choice when you’re updating an aging panel or aligning with current electrical standards without overhauling your entire system.

Fit, compatibility, and installation tips

Compatibility is key: the HDA260205 belongs to Square D’s HDA plug-in family. The best reference for compatibility is the exact part number, paired with your panel’s labeling and the manufacturer’s documentation. Before ordering, confirm your panel accepts HDA-type plug-in breakers and that the rating matches the protected circuit. When installing, power down the panel, verify absence of voltage, use appropriate personal protective equipment, and align the breaker with the bus stabs for a secure, reliable connection.

Why choose this breaker

This breaker delivers a precise, plug-in solution that minimizes downtime during replacements and upgrades. With a 20A rating and 2-pole design, it provides targeted protection for circuits that require reliable dual-leg switching at up to 600V. For professionals maintaining Square D panel environments, the HDA260205 offers a straightforward, OEM-referenced option that aligns with established electrical standards and compatibility expectations.