Square D HGA261251 - 125 A, 600 V, 2-Pole Plug-In Circuit Breaker | AmpState

The Square D HGA261251 is a 125A, 600V, 2-pole plug-in molded case circuit breaker designed for dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. With a fast plug-in connection, it accelerates both installation and field replacements, helping electricians minimize downtime on critical electrical systems.

Why this breaker stands out

• Fast plug-in connection for quick installation and hassle-free replacement, reducing service time on busy job sites.
• Thermal-magnetic trip unit delivers stable, repeatable protection across a range of loads, balancing sensitivity with reliability.
• OEM-compatible design fits with matching Square D load centers and panelboards, ensuring a seamless upgrade or replacement without adapters.
• Versatile applications ideal for residential, commercial, and light industrial environments that demand solid, trustworthy protection.

Technical specifications at a glance

• Manufacturer: Square D
• Part number: HGA261251
• 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 cases

Engineered for panelboards and load centers, this breaker is an excellent choice when you need reliable protection for mid-to-high current circuits. Use it during panel upgrades, replacements for aging equipment, or new installations in residential, commercial, and light industrial settings. Its plug-in design makes it straightforward to deploy in compatible Square D systems, minimizing wiring complexity and downtime.

Practical benefits and tips for best results

• Choose this 2-pole, 125 A breaker when your circuit requires robust overcurrent protection for two hot legs with a common trip threshold.
• Rely on the thermal-magnetic mechanism to handle normal operating fluctuations while still responding quickly to short circuits.
• Match this unit with OEM Square D panels to maintain equipment compatibility and simplify future maintenance or expansions.
• For service reliability, stock breakers with the same amperage and voltage ratings to streamline replacements across multiple panels.

If you’re outfitting a project, this Square D HGA261251 plug-in circuit breaker from AmpState delivers proven performance, straightforward installation, and compatibility you can count on across residential, commercial, and light industrial applications. It’s a practical, durable choice for safeguarding electrical systems and keeping critical loads protected.