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circuit-breaker

Siemens Q21520CTNC - 20 A, 240 V Plug-In Circuit Breaker | AmpState

★★★★★
Part Number Q21520CTNC
Amperes 20
Voltage 240
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 $710.00
Sale price $710.00 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
Siemens Q21520CTNC - 20 A 240 V Plug-In Circuit Breaker | AmpState - Circuit Breakers

Siemens Q21520CTNC - 20 A, 240 V Plug-In Circuit Breaker | AmpState

Regular price $710.00
Sale price $710.00 Regular price
Unit price
Product description
Shipping

Siemens Q21520CTNC is a reliable 20A, 240V plug-in molded case circuit breaker designed to protect your panelboards and load centers from overcurrent and short-circuit events. Its fast plug-in connection makes installation and replacement quick and straightforward, minimizing downtime in busy electrical environments.

  • Fast plug-in connection for rapid installation and effortless replacement, reducing service time and downtime.
  • Thermal-magnetic trip unit delivers stable, repeatable protection for both overloads and short circuits, helping protect wiring and devices from damage.
  • 20A, 240V rating suits a wide range of branch circuits in homes, small businesses, and light industrial settings.
  • Plug-in mounting style simplifies upgrades and service within compatible panelboards and load centers.
  • Compatibility with OEM load centers and panelboards ensures seamless integration and maintains panel performance with matching Siemens components.
  • Part Number Q21520CTNC for easy ordering and replacement.

This model is ideal for protecting circuits such as kitchen and living-space outlets, lighting runs, or small commercial equipment circuits. By combining a fast plug-in design with a dependable thermal-magnetic trip, it helps keep electrical systems safer and more predictable in daily operation.

Why choose this Siemens 20A 240V breaker? It pairs precise interrupting capabilities with straightforward service in a compact, molded-case package. The thermal-magnetic technology minimizes nuisance trips while maintaining strong protection, making it a solid choice for residential, commercial, and light industrial applications that rely on quick maintenance and lasting reliability.

Specifications at a glance

  • Manufacturer: Siemens
  • Part Number: Q21520CTNC
  • Type: Thermal-magnetic molded case circuit breaker
  • Amperage Rating: 20A
  • Voltage Rating: 240V
  • Mounting Style: Plug-in
  • Application: Branch circuit overcurrent and short-circuit 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

Matched our existing hardware and fit as expected. Clean install.

Maintenance · Retrofit work

Verified

Quick confirmation on details and a smooth ordering process.

Purchasing · Fast turnaround

Verified

Came well packed. Labeling made receiving and staging easy.

Warehouse · Receiving

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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