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
circuit-breaker

Square D FC340201021 Circuit Breaker, 20A, 3-Pole, 480V

★★★★★
Part Number FC340201021
Amperes 20
Poles 3
Voltage 480
Product Type circuit-breaker
Icon
Manufacturer :Square D
Icon
Replacement available
Icon
Picture available on request
Icon
CSA / UL Approved
Regular price $460.00
Sale price $460.00 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
Square D FC340201021 Circuit Breaker 20A 3-Pole 480V - Circuit Breakers

Square D FC340201021 Circuit Breaker, 20A, 3-Pole, 480V

Regular price $460.00
Sale price $460.00 Regular price
Unit price
Product description
Shipping

The Square D FC340201021 circuit breaker is engineered for demanding industrial environments where dependable overcurrent protection matters. With a 20 A rating, it provides solid protection for three-phase 480 V systems, making it ideal for industrial electrical service, maintenance, and replacement projects where uptime and safety are critical.

Key specifications at a glance

  • Amperage: 20 A
  • Poles: 3-pole
  • Voltage: 480 V
  • Part number: FC340201021
  • Brand: Square D

Why this FC340201021 matters for your operation

Choosing the exact part number matters as much as the protection it provides. The FC340201021 is designed to integrate smoothly with Square D panels and field configurations that rely on consistent trip characteristics and fit. By using the correct 3-pole, 480 V solution, you minimize compatibility risks, keep downtime to a minimum, and simplify future maintenance or replacements.

Ideal use cases

  • Upgrading or replacing protection in 480 V three-phase distribution or motor circuits
  • Repair or spare-parts inventory for industrial control panels and switchgear
  • Maintenance workflows where rapid part verification by number reduces guesswork and errors

What makes it different from generic breakers

As a Square D offering, this breaker is built to align with Square D electrical systems, ensuring compatibility with respective panels, busings, and accessories. Its 3-pole design supports coordinated protection in three-phase circuits, helping to prevent overloads and faults that can cascade across equipment. Verifying the fit by the exact part number FC340201021 is the best way to ensure reliable performance in your specific installation.

Practical tips for procurement and installation

  • Always verify fit by part number and cross-check with your panel or switchgear documentation before ordering.
  • Use this 20 A, 3-pole, 480 V breaker in appropriate three-phase, high-availability environments where consistent protection is essential.
  • Keep a reference on hand for maintenance crews: the exact part number helps ensure quick replacements and minimal downtime.

Contact sales@ampstate.com

Shipping cost is based on weight. Just add products to your cart and use the Shipping Calculator to see the shipping price.

We want you to be 100% satisfied with your purchase.

What Our Customers Say

4.9 (38 reviews)

General feedback we often hear from customers purchasing industrial electrical parts.

Verified

Professional-grade feel. No issues reported during commissioning.

Controls · Commissioning

Verified

Arrived in good condition and helped keep our project on schedule.

Project team · Contractor

Verified

Exactly what most contractors expect from an industrial supplier.

Electrical · Commercial

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