Square D HRA36100U44X - 100 A, 3-Pole Plug-In Circuit Breaker | AmpState

Square D HRA36100U44X is a 100A, 3-pole plug-in molded case circuit breaker built to deliver reliable branch circuit overcurrent and short-circuit protection in panelboards and load centers.

Designed for fast, downtime-minimizing service, this device features a quick plug-in connection that makes installation and replacement straightforward, so you can keep electrical systems up and running with minimal disruption.

• Thermal-magnetic trip unit provides stable, repeatable protection for both overloads and short circuits, helping to safeguard wiring and connected equipment across diverse load profiles.
• 3-pole configuration ensures balanced protection for 3-phase circuits, making it ideal for commercial and light industrial applications as well as residential setups that require 3-phase protection.
• OEM-compatible design guarantees compatibility with matching Square D OEM load centers and panelboards, promoting proper coordination and reliable performance within existing systems.
• Versatile application suitable for residential, commercial, and light industrial environments, where dependable protection and quick swaps are critical.

for the HRA36100U44X include safeguarding main feeders in panelboards, protecting branch circuits in service panels, and acting as a fast-replaceable component for upgrades or panel modernization projects. When you need a robust, plug-in protection solution for a 100A, 3-pole circuit, this breaker delivers dependable performance that aligns with square D’s trusted engineering standards.

Technical snapshot — Square D, Part Number HRA36100U44X, Type: Thermal-magnetic molded case circuit breaker, Amperage: 100A, Poles: 3, Mounting: Plug-in, Application: Branch circuit overcurrent and short-circuit protection.

Choosing the HRA36100U44X means prioritizing quick serviceability without sacrificing protection quality. It’s a practical, reliable choice for technicians and facility managers who value precise protection, straightforward installation, and seamless integration with Square D load centers and panelboards.