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Square D KC34125 - 125A, 3-Pole, Circuit Breaker

★★★★★
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Manufacturer :
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Replacement available
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Picture available on request
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CSA / UL Approved
Regular price $886.00
Sale price $886.00 Regular 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
Square D KC34125 - 125A 3-Pole Circuit Breaker - Circuit Breaker

Square D KC34125 - 125A, 3-Pole, Circuit Breaker

Product description
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Square D KC34125 — 125A, 3-Pole Circuit Breaker delivers dependable overcurrent protection for demanding electrical systems. Designed for three‑phase applications, this KC34125 model provides robust performance in panelboards, switchboards, and control panels, making it a reliable choice for modern industrial, commercial, and OEM environments.

  • Current rating: 125A
  • Pole configuration: 3-Pole for three‑phase protection
  • Type: Circuit Breaker
  • Applications: Panelboards, switchboards, and control panels in distribution systems
  • Best fit: Industrial, commercial, and OEM installations requiring dependable overcurrent protection and safe operation in motor control centers

Designed to support three‑phase power distribution, the KC34125 helps safeguard motors, controllers, and other critical equipment from overloads and faults. Its three‑pole configuration ensures balanced protection across all phases, reducing the risk of uneven current that can damage equipment or shorten lifespan. When reliability matters—think high‑demand manufacturing lines, HVAC systems, or centralized motor control centers—this Square D breaker delivers consistent performance under load and during fault conditions.

Why choose the KC34125 for your system? It combines the trusted Square D engineering you count on with a practical 125A rating and a 3‑pole design that aligns with common three‑phase architectures. This makes it a natural fit for retrofit projects, new builds, and OEM assemblies where space, protection, and ease of integration are priorities.

To maximize safety and longevity, ensure installation is performed by qualified personnel in accordance with local electrical codes and standards. Use the KC34125 in appropriate panelboards, switchboards, and control panels where reliable overcurrent protection for three‑phase circuits is required, and expect durable performance that supports continuous operation in demanding environments.

Whether you’re stocking parts for a motor control center, upgrading a distribution panel, or integrating into an OEM solution, the Square D KC34125 125A 3‑Pole Circuit Breaker offers a clear, purpose‑built path to safer, more dependable electrical protection.

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What Our Customers Say

4.9 (38 reviews)

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

Verified

Feels well-built and suitable for everyday plant and maintenance use.

Facilities · Manufacturing

Verified

Lead time was reasonable and the part matched expectations when it arrived.

Procurement · Ontario

Verified

Good value for industrial use. Customers mention easy installation.

Service tech · Field work

Fast industrial sourcing support

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

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