Square D HDA261252 - 125 A, 600 V, 2-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D HDA261252, a robust 125 A, 600 V, 2-pole plug-in molded case circuit breaker engineered to deliver dependable branch circuit protection in panelboards and load centers. Built for longevity and easy serviceability, it stands ready to shield your electrical systems from overloads and short circuits with precision and speed.

Key Benefits

• Fast plug-in connection for quick installation and effortless replacement in existing panels, minimizing downtime during upgrades or maintenance.
• Thermal-magnetic trip unit provides stable overload protection and rapid response to short-circuit events, preserving equipment and wiring across a range of loads and temperatures.
• Two-pole design protects both conductors on 240 V circuits with a coordinated response, improving safety and reliability in residential and light commercial applications.
• OEM-compatible engineered for seamless compatibility with matching Square D OEM load centers and panelboards, ensuring proper fit and panel performance.
• 125 A / 600 V ratings accommodate a variety of branch circuits common in homes, small businesses, and light industrial setups, delivering scalable protection where it’s needed most.
• Rugged molded case construction offers durability in demanding environments while maintaining a compact footprint for crowded panels.

Technical Details

• Manufacturer: Square D
• Part Number: HDA261252
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 125 A
• Voltage Rating: 600 V
• Number of Poles: 2
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Ideal Use Scenarios

• Residential panels upgrading or expanding 240 V circuits—think HVAC feeders, water heaters, electric ovens, and other high-demand loads.
• Light commercial spaces where reliable 2-pole protection is essential for service equipment, lighting panels, and small business outlets.
• Panelboard replacements or maintenance in Square D ecosystems, where a plug-in solution minimizes panel downtime and preserves system continuity.

Why This Breaker Stands Out

When you need predictable, repeatable protection, the HDA261252 delivers. The combination of a fast plug-in connection, a dependable thermal-magnetic trip mechanism, and OEM-aligned compatibility means fewer panel headaches and more uptime. It’s built to handle real-world loads while maintaining clear, coordinated protection across both poles—an essential factor for safe, compliant electrical installations in homes and light industry.

Who should consider the HDA261252? Electrical professionals and facilities managers seeking a proven 125 A, 600 V two-pole plug-in breaker that integrates smoothly with Square D panel systems, reduces service time, and provides durable protection for a broad range of residential and light commercial applications.

Upgrade or install with confidence: the Square D HDA261252 is a purpose-built solution for reliable branch circuit protection, compatible with OEM panelboard ecosystems and designed to keep your electrical systems protected and running smoothly.