Matched our existing hardware and fit as expected. Clean install.
Maintenance · Retrofit work
Based in Canada
•
Serving USA & Canada
Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
| Part Number | FA34100 |
| Amperes | 100 |
| Poles | 3 |
| Voltage | 480 |
| 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.
The Square D FA34100 100A 3P 480V circuit breaker is purpose-built for dependable protection in panelboards, load centers, and electrical distribution systems. Designed to preserve the integrity of your original installation, this FA34100 part slips into your existing BOM with precision—making replacements and spare stocking straightforward and risk-free.
Key specifications at a glance
This 3-pole, 480-volt breaker is an ideal fit for three-phase commercial or industrial electrical systems where reliable current interruption is essential. It’s particularly valuable during replacement projects, where maintaining exact part numbers ensures compatibility with existing accessories, bus bars, and mounting footprints.
Why choose the FA34100 for your project
Practical use cases
If you’re unsure about fit or compatibility, AmpState offers support to confirm the correct part for your system. Message us to verify compatibility with your panel model and BOM and we’ll help you confirm a precise match.
Contact sales@ampstate.com
Shipping cost is based on weight. Just add products to your cart and use the Shipping Calculator to see the shipping price.
We want you to be 100% satisfied with your purchase.
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.
Newsletter
Blogs