Square D HGA36100U33X - 100 A, 3-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D HGA36100U33X — a 100A, 3-pole plug-in molded case circuit breaker engineered for dependable branch circuit protection in panelboards and loadcenters. Built to keep circuits safe from overloads and short circuits, this unit combines fast installation with precise protection to keep electrical systems running smoothly.

• Fast plug-in connection for quick installation and effortless replacement, reducing downtime during upgrades or service calls.
• Thermal-magnetic trip unit delivers stable, repeatable protection by combining thermal overload sensing with magnetic short-circuit detection for predictable performance under varying loads.
• OEM-compatible design is purpose-built to work with matching Square D load centers and panelboards, ensuring reliable fit and pairing with your existing infrastructure.
• Versatile application suitable for residential, commercial, and light industrial environments, providing a robust safeguard across multiple settings.

Technical snapshot

• Manufacturer: Square D
• Part number: HGA36100U33X
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 100A
• Poles: 3
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Why choose this breaker

When efficiency matters, the Square D HGA36100U33X stands out with its plug-in convenience and reliable protection. The plug-in form minimizes labor during installation and replacement, while the thermal-magnetic trip mechanism provides a clear, immediate response to overloads and short circuits. This means fewer nuisance trips from marginal overcurrents and a more predictable protection profile for your panelboard or load center.

Ideal use scenarios

• Upgrading branch circuits in existing panelboards without rewiring or bulky hardware changes
• New installations in residential, commercial, or light industrial projects that require a dependable 100A, 3-pole solution
• Panelboard or load center maintenance where quick plug-in replacements minimize downtime

Practical considerations

To ensure optimal performance, pair the HGA36100U33X with matching OEM load centers and panelboards. Its 3-pole configuration provides balanced protection across phases, making it a solid choice for multi-circuit systems where coordinated protection is essential. If you’re aligning this breaker with a specific panel model, verify compatibility with the panel’s bus arrangement and mounting provisions to guarantee a seamless fit and reliable operation.