Matched our existing hardware and fit as expected. Clean install.
Maintenance · Retrofit work
Based in Canada
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Serving USA & Canada
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| Part Number | HRA36100U43X |
| Amperes | 100 |
| Poles | 3 |
| Product Type | circuit-breaker |
Couldn't load pickup availability
Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Meet the Square D HRA36100U43X, a 100A, 3-pole plug-in molded case circuit breaker designed to deliver dependable branch circuit protection in panelboards and load centers. Its fast plug-in design means you can install or replace it quickly, minimizing downtime and keeping electrical systems running smoothly.
Why this breaker stands out
Where and how you’ll use it
Specifications at a glance
Choose the HRA36100U43X for a reliable, plug-in solution that delivers controlled protection for your electrical panels. Its combination of quick installation, stable trip performance, and OEM compatibility makes it a practical, long-term choice for a wide range of panelboard and load-center applications.
Contact sales@ampstate.com
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General feedback we often hear from customers purchasing industrial electrical parts.
Matched our existing hardware and fit as expected. Clean install.
Maintenance · Retrofit work
Quick confirmation on details and a smooth ordering process.
Purchasing · Fast turnaround
Came well packed. Labeling made receiving and staging easy.
Warehouse · Receiving
Fast industrial sourcing support
Email us at sales@ampstate.com for pricing, availability, alternates, and project support.
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