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circuit-breaker

Square D QO3201021 20A 3P 240V Circuit Breaker, Plug-On, Shunt Trip | AmpState

Part Number QO3201021
Amperes 20
Poles 3
Voltage 240
Product Type circuit-breaker
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Manufacturer :Square D
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Replacement available
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Picture available on request
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CSA / UL Approved
Regular price $10.00
Sale price $10.00 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
Square D QO3201021 20A 3P 240V Circuit Breaker, Plug-On, Shunt Trip | AmpState

Square D QO3201021 20A 3P 240V Circuit Breaker, Plug-On, Shunt Trip | AmpState

Regular price $10.00
Sale price $10.00 Regular price
Unit price
Product description
Shipping

Meet the Square D QO3201021 — a purpose-built circuit breaker engineered for reliable protection in panelboards, load centers, and electrical distribution networks. This 20 A, 3-pole device from the QO family is a precise part-number match for installations that demand exact compatibility, making it an excellent choice for maintenance teams, panel builders, and spare-inventory strategies where reliable substitutes matter.

Key configuration: Plug-On with Shunt Trip. This combination delivers straightforward installation and the option for remote or interlock-style trip signaling, enhancing safety and control in systems that require quick, fail-safe shutdown under signal input.

  • Manufacturer: Square D
  • Part Number: QO3201021
  • Product Type: Circuit Breaker
  • Amperage: 20 A
  • Poles: 3
  • Voltage: 240V
  • Configuration: Plug-On with Shunt Trip

Why this matters in real-world installations:

  • Direct-fit for the Square D QO family: Ensures seamless integration with compatible panelboards and distribution equipment, reducing compatibility guesswork during replacements or upgrades.
  • Three-pole protection at 240V: Supports multi-phase circuits and balanced protection across all legs, helping maintain system safety and reliability.
  • 20 A rating for common branch circuits: Ideal for moderate-load circuits, with predictable tripping behavior to protect wiring and devices.
  • Shunt Trip capability: Enables remote-trip safety strategies in systems that require rapid shutdown signals, aligning with safety standards and emergency-control workflows.
  • Stock certainty: A precise part-number match reduces the risk of incompatibility during maintenance, retrofits, or new builds.

This item is available from AmpState, designed for professionals who need dependable, field-ready breakers with exact-fit assurance. If you’re unsure about fit or compatibility, send a quick message and we’ll help confirm whether the QO3201021 is the right choice for your panel or distribution setup.

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

Solid quality component. Exactly as described on the product page.

Maintenance team · Ontario

Verified

Packaging was secure and the item arrived clean and ready for installation.

Electrical contractor · GTA

Verified

We’ve used this type on multiple jobs and it’s been reliable so far.

Panel shop · Canada/US

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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