Square D HJA261001 - 100 A, 2-Pole Plug-In Circuit Breaker | AmpState

Square D HJA261001 is a 100A, 2-pole plug-in molded case circuit breaker engineered for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Its fast plug-in connection means simple installation and swift replacement, minimizing service downtime in both new builds and upgrades.

• 100 A, 2-pole protection to safeguard feeders and branch circuits from overloads and short circuits.
• Plug-in molded case design for quick, tool-friendly installation and easy field replacement without altering wiring terms.
• Thermal-magnetic trip unit delivers stable, repeatable protection across a range of ambient temperatures and load conditions, helping to prevent nuisance tripping and ensuring reliable performance.
• OEM compatibility designed to fit and operate with matching Square D load centers and panelboards, ensuring a clean, reliable fit and consistent electrical performance.
• Versatile applications ideal for residential panelboards, commercial distribution, and light industrial service panels needing robust branch-circuit protection.

Why this breaker stands out is its combination of fast plug-in installation with a durable thermal-magnetic trip system. The plug-in style reduces installation time and helps technicians swap breakers during maintenance without invasive rewiring. The thermal and magnetic elements work together to react quickly to overcurrent events while maintaining precise protection thresholds, giving you predictable performance when demand spikes occur.

Perfect for panel upgrades, routine service, or new installations where reliability and compatibility matter. Use it to replace aging or inadequate breakers in Square D panelboards and load centers, or to expand protection in light commercial or industrial circuits that require a dependable 100A, 2-pole solution.

Technical snapshot

• Manufacturer: Square D
• Part Number: HJA261001
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 100A
• Poles: 2
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection
• Compatibility: Matching OEM load centers and panelboards

With the Square D HJA261001, you’re choosing a trusted protection device that blends straightforward installation with precise, reliable performance. It’s the practical, long-term solution for keeping electrical systems safe and up to code in a variety of settings.