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circuit-breaker

Siemens BQ3B020 20A 3P Circuit Breaker | AmpState

Part Number BQ3B020
Amperes 20
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 $483.00
Sale price $483.00 Regular price
Unit price
Save

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
Siemens BQ3B020 20A 3P Circuit Breaker | AmpState

Siemens BQ3B020 20A 3P Circuit Breaker | AmpState

Regular price $483.00
Sale price $483.00 Regular price
Unit price
Product description
Shipping

Meet the Siemens BQ3B020 — a purpose-built 20 A, 3-pole circuit breaker engineered for dependable protection in panelboards, load centers, and broader electrical distribution setups. When a direct part-number match matters, this Siemens unit delivers precise compatibility and streamlined maintenance.

Specifications
Manufacturer: Siemens • Part Number: BQ3B020 • Product Type: Circuit Breaker • Amperage: 20 A • Poles: 3

Why this exact breaker stands out

  • Direct part-number match for streamlined logistics: BQ3B020 ensures seamless integration with existing Siemens panels and components, reducing guesswork during replacements or stocking.
  • Three-pole protection for reliable 3-phase circuits: The 3P design supports balanced protection across three-phase distribution, making it ideal for commercial and light industrial applications.
  • 20 A rating tuned for common branch circuits: Perfect for safeguarding motors, lighting runs, and control circuits without nuisance tripping in properly designed systems.
  • Ideal for maintenance, panel builders, and spare inventory: A precise OEM match that simplifies procurement, planning, and on-site swaps when uptime is critical.
  • Expert support for compatibility questions: AmpState offers help to confirm fit—simply reach out, and we’ll verify whether BQ3B020 is the right choice for your panel or distribution setup.

Practical use scenarios

  • Replacing a failed 3P, 20A breaker in Siemens panelboards or load centers to restore protection without evolving the panel’s electrical architecture.
  • Stocking a dedicated spare that exactly matches your existing Siemens inventory, enabling faster maintenance windows and less downtime.
  • Specifying OEM-matched components for new installations to ensure consistent protection profiles and warranty alignment.

What makes this choice meaningful

  • Exact compatibility minimizes integration risk and material waste, helping you maintain compliance with your panel’s protection scheme.
  • OEM-grade performance supports predictable trip characteristics and reliable reset behavior, which is crucial for ongoing equipment safety and uptime.

Ready to proceed? This item is available from AmpState, and our team is ready to help you confirm fit and compatibility with your specific panel or distribution configuration. Add the Siemens BQ3B020 20A 3P Circuit Breaker to your cart and keep your electrical distribution running smoothly and confidently.

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

Exactly what we needed for a shutdown replacement. No surprises.

Plant · Shutdown

Verified

Good communication and clear updates while the order was processed.

Project · Coordination

Verified

Looks and feels like a proper industrial-grade part. Works as expected.

Service · Field install

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