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Circuit Breaker

Westinghouse | KB3125 | Circuit Breaker | 3-Pole

★★★★★
Part Number KB3125
Poles 3
Product Type Circuit Breaker
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Manufacturer :Westinghouse
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Replacement available
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Picture available on request
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CSA / UL Approved
Regular price $310.00
Sale price $310.00 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
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FREE & fast shipping on orders over $49
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CSA approved with 1 year warranty
Icon
30 day returns
Allen-Bradley 140M-C2E-C16 - Standard Magnetic Trip Breaker Motor Protection - Standard Magnetic Trip Breaker Motor Protection

Westinghouse | KB3125 | Circuit Breaker | 3-Pole

Regular price $310.00
Sale price $310.00 Regular price
Unit price
Product description
Shipping

The Westinghouse KB3125 3-Pole Circuit Breaker is engineered to deliver dependable overcurrent protection where precise compatibility matters. Designed for maintenance, retrofit, and replacement projects, this breaker helps you keep critical systems running smoothly by matching the exact specifications your panel requires.

  • Three-pole design supports common 3‑phase electrical configurations, enabling seamless integration in compatible panels.
  • Part number KB3125 serves as the definitive reference for compatibility, ensuring you’re selecting the right unit for your setup.
  • Targeted use cases—maintenance, retrofit, and replacement—where matching ratings and specs are essential to maintain system reliability.
  • Fit-first verification—before ordering, confirm that your panel’s frame style and interrupting rating align with the KB3125 specifications to prevent downtime.

Why this 3-Pole breaker is a smart choice

In controlled electrical environments, using the exact part reference minimizes the risk of misfits that can compromise protection or trigger nuisance trips. The KB3125 is purpose-built for scenarios where exact spec matching is non-negotiable, giving technicians peace of mind during upgrades or part replacements.

Who benefits

  • Electrical technicians performing panel upgrades or repairs.
  • Facility managers planning retrofit projects to modernize electrical infrastructure.
  • Maintenance teams needing reliable, on-spec components to reduce service interruptions.

Use cases and practical tips

  • Replace a worn or tripped 3-pole breaker in a compatible Westinghouse or panel that requires a three-pole unit with the KB3125 reference.
  • Use during retrofit projects where three-phase protection is mandatory and exact spec alignment is required.
  • Cross-check panel labeling and service ratings, then verify the KB3125 part number to ensure a drop-in fit and proper protection.

Technical snapshot

Poles: 3-Pole • Part number: KB3125 • Recommended use: maintenance, retrofit, and replacement when matching specs are required

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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

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