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circuit-breaker

Eaton Cutler-Hammer QC3100H 100A 3P 240V Circuit Breaker | AmpState

Part Number QC3100H
Amperes 100
Poles 3
Voltage 240
Product Type circuit-breaker
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Manufacturer :Eaton Cutler-Hammer
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Replacement available
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Picture available on request
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CSA / UL Approved
Regular price $639.00
Sale price $639.00 Regular price
Unit price
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Seamless online shopping experience guaranteed with easy shipping and returns policy.

Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.

Icon
Secure transaction
Icon
FREE & fast shipping on orders over $49
Icon
CSA approved with 1 year warranty
Icon
30 day returns
Eaton Cutler-Hammer QC3100H 100A 3P 240V Circuit Breaker | AmpState

Eaton Cutler-Hammer QC3100H 100A 3P 240V Circuit Breaker | AmpState

Regular price $639.00
Sale price $639.00 Regular price
Unit price
Product description
Shipping

Meet the Eaton Cutler-Hammer QC3100H 100A 3P 240V Circuit Breaker — a purpose-built solution for dependable circuit protection in panelboards, load centers, and electrical distribution networks. Built for everyday electrical work, this 3-pole device delivers reliable performance when you need it most, safeguarding branch circuits and ensuring safe, stable operation of your electrical system.

Why this breaker stands out

  • : The QC3100H is purposefully chosen for retrofits and maintenance projects where the part number must stay consistent. This simplifies ordering, labeling, and service history, reducing downtime and confusion when upgrading or expanding capacity.
  • trusted protection for panelboards and distribution: Specifically configured for panelboards, load centers, and electrical distribution layouts, providing solid overcurrent protection across a 240V system with 3 poles.
  • clear, straightforward compatibility: With a defined 100A rating and 3P configuration, it’s easy to plan replacements or upgrades without guessing about fit or performance.
  • reliable Eaton Cutler-Hammer lineage: Built on the renowned Cutler-Hammer engineering heritage, delivering dependable tripping behavior and durable construction for regular maintenance cycles and long service life.
  • vendor-backed support: AmpState offers assistance to confirm fit and compatibility, helping you move quickly from decision to installation.

Ideal use cases

  • Retrofit projects where a consistent part number is critical for procurement, labeling, and maintenance records.
  • Upgrading or replacing aging breakers in existing panelboards and load centers to restore or improve circuit protection.
  • New installations that require a 100A, 3-pole, 240V protection device within standard Eaton Cutler-Hammer compatibility.

Who benefits most

  • Electricians and electrical contractors seeking a reliable, standardized breaker for retrofit work and service upgrades.
  • Facility managers and maintenance teams aiming for predictable procurement and minimal installation downtime.
  • Electrical distributors and service teams that need clear compatibility guidance and trusted performance.

Technical snapshot

  • Manufacturer: Eaton Cutler-Hammer
  • Part Number: QC3100H
  • Product Type: Circuit Breaker
  • Amperage: 100 A
  • Poles: 3
  • Voltage: 240V
  • Application: Circuit protection in panelboards, load centers, and electrical distribution

Ready to ensure dependable protection with a familiar, easy-to-match part? AmpState stands ready to help you verify fit and compatibility for your specific panel and distribution setup. Reach out, and we’ll confirm that the QC3100H will integrate smoothly into your electrical system.

Contact sales@ampstate.com

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What Our Customers Say

4.9 (38 reviews)

General feedback we often hear from customers purchasing industrial electrical parts.

Verified

Solid quality component. Exactly as described on the product page.

Maintenance team · Ontario

Verified

Packaging was secure and the item arrived clean and ready for installation.

Electrical contractor · GTA

Verified

We’ve used this type on multiple jobs and it’s been reliable so far.

Panel shop · Canada/US

Fast industrial sourcing support

Need help?

  • Request a quote
  • Need a BOM priced for your project
  • Not sure which part is correct
  • Need an equivalent or replacement
  • Send your part list and get a fast reply

Email us at sales@ampstate.com for pricing, availability, alternates, and project support.

Email for a quote Typical reply: same business day