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Circuit Breaker

Siemens | EF3B020 | Circuit Breaker | 3-Pole | Bolt-On

Part Number EF3B020
Poles 3
Product Type Circuit Breaker
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Manufacturer :Siemens
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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

Siemens | EF3B020 | Circuit Breaker | 3-Pole | Bolt-On

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

Introducing the Siemens EF3B020 Circuit Breaker—a trusted 3-Pole bolt-on solution built for reliability in commercial, industrial, and equipment panel environments. Designed for situations where exact specifications matter, this breaker is ideal for maintenance, retrofit, and replacement projects that require precise compatibility with Siemens systems.

  • 3-Pole bolt-on design suited for three‑phase panel configurations and secure, straightforward mounting.
  • EF3B020 reference enables exact compatibility—use the part number as your primary guide when sourcing and matching breakers.
  • Maintenance, retrofit, and replacement ready to extend panel life and support upgrades without compromising electrical safety or performance.
  • Clear fit guidance— verify the breaker’s fit and ratings before ordering to ensure seamless integration with your existing Siemens infrastructure.

Whether you’re refreshing an aging panel, upgrading to a compatible Siemens configuration, or stocking parts for service crews, the EF3B020 delivers dependable operation in demanding environments. A 3-Pole bolt-on breaker like this one helps maintain balanced protection across multi‑phase circuits, reducing the risk of mis-matched components and ensuring consistent tripping behavior in fault conditions.

Why choose Siemens for this application

Siemens is renowned for durable, standards-aligned electrical components that support long service life and consistent performance. The EF3B020 is designed to slot into compatible Siemens panels with confidence, backed by Siemens engineering and a broad service network that makes part sourcing straightforward for maintenance teams and OEMs alike.

Compatibility and installation notes

  • Notes: Confirm fit and ratings before ordering. The part number EF3B020 is the best reference for compatibility.
  • Ensure your panel supports a 3‑pole bolt‑on configuration and that the mounting pattern matches the EF3B020 design.
  • Prepare for safe installation by following standard electrical safety practices and the panel manufacturer’s guidelines.

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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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