Square D HGA261252 - 125 A, 600 V, 2-Pole Plug-In Circuit Breaker | AmpState

The Square D HGA261252 is a robust 125A, 600V, 2-pole plug-in molded case circuit breaker designed for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for quick installs and straightforward swaps, this breaker keeps critical electrical systems protected with minimal downtime.

Key benefits that matter in real-world setups

• Fast plug-in connection — streamlined installation and hassle-free replacement mean less downtime during upgrades, maintenance, or panel refreshes.
• Thermal-magnetic trip unit — delivers stable, repeatable protection by combining a precise thermal element with instantaneous magnetic response to short circuits, helping guard conductors and equipment from damage.
• OEM-compatible design — specifically engineered to fit matching Square D panelboards and load centers, ensuring reliable bus connections and compatible trip characteristics.
• Versatile application — suitable for residential, commercial, and light industrial environments where dependable overcurrent protection is essential.

Technical snapshot

• Manufacturer: Square D
• Part number: HGA261252
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 125A
• Voltage rating: 600V
• Number of poles: 2
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Ideal uses and practical scenarios

• Upgrading or expanding a panelboard in a light commercial space where 125A feeders and 600V circuits are common.
• Replacing a failed plug-in breaker in existing Square D installations to restore reliable protection without rewiring.
• Installing new branch circuits for small offices, retail spaces, or workshop areas that require quick, secure plug-in protection.

Why choose this breaker over alternatives? The HGA261252’s plug-in design minimizes installation time and reduces field wiring complexity, while its thermal-magnetic trip unit provides dependable performance across varying loads and ambient temperatures. Its 600V rating expands its suitability beyond basic residential panels, offering confident protection for higher-voltage circuits found in commercial and light industrial environments. For professionals who demand precise protection without downtime, this Square D plug-in breaker delivers consistent results aligned with OEM equipment and standard panelboard ecosystems.