3RV2021-4CA10 - Siemens - Circuit Breaker 25A 3-Pole

Regular price $800.00
Sale price $800.00 Regular price
Unit price
Save
Ask a question

Ask a Question

* Required fields

Size guide Share

Rush shipping options calculated at checkout.

3RV2021-4CA10 - Siemens - Circuit Breaker 25A 3-Pole

3RV2021-4CA10 - Siemens - Circuit Breaker 25A 3-Pole

Regular price $800.00
Sale price $800.00 Regular price
Unit price

Fast. Free. Right to Your Door

Same day shipping

40k+ Happy Customers

4.5 Average rating

Shop with Confidence

Secure Checkout, Peace of Mind

Online Support

24 hours a day, 7 days a week

Description

Description

The Siemens 3RV2021-4CA10 Circuit Breaker is a state-of-the-art 25A 3-pole miniature circuit breaker, expertly engineered to deliver unparalleled protection and control across various electrical systems. Whether for residential, commercial, or industrial applications, this circuit breaker guarantees optimal safety against overloads and short circuits.

Designed with reliability in mind, the 3RV2021-4CA10 features:

  • Rated Current: 25A
  • Number of Poles: 3
  • Voltage Rating: Up to 400V AC
  • Type: Miniature Circuit Breaker (MCB)
  • Breaking Capacity: 10 kA
  • Protection Class: IP20
  • Operating Temperature: -25°C to +60°C

With its robust design, the Siemens circuit breaker ensures seamless operation and a long service life. Its compact form factor makes installation easy, while its high breaking capacity ensures immediate response in fault conditions, providing peace of mind for any electrical setup.

Don't compromise on safety – equip your electrical systems with the 3RV2021-4CA10 - Siemens - Circuit Breaker 25A 3-Pole today. Order now and enjoy reliable, high-performance electrical protection!

Shipping and Returns

Returns

We accept return within 30 days of purchase.

FREE Shipping.

Some orders are eligible for free shipping — just reach out to us to redeem this offer!

Same Day Shipping

Most orders ship within one business day, so you’ll have your item in no time!

1 Year Warranty

We’re proud of the quality of our product and want you to feel confident in your purchase. That’s why we offer a 1-year warranty from the date of purchase.

If anything goes wrong due to a manufacturing issue, we’ll happily repair or replace it — no hassle. Just reach out to us with proof of purchase, and we’ll take care of the rest.

This warranty doesn’t cover accidental damage or misuse, but if you're unsure, we’re always happy to help.

Frequently Asked
Questions

Do you sell both new and used electrical equipment?

Yes! We offer both brand-new and fully tested, certified used electrical components including breakers, bus plugs, and disconnects.

Are your used products tested for safety?


Absolutely. Every used product is inspected, tested, and guaranteed to meet safety and performance standards before being listed for sale.

Can I request a specific brand or model?


Yes. We carry a wide range of brands like Square D, Siemens, GE, Eaton, Cutler-Hammer, Allen-Bradley, and more. If you’re looking for something specific, just contact us!

Do you offer fusible disconnects?


Yes, we stock fusible and non-fusible disconnects in various amperages and configurations for commercial and industrial applications.

What is a bus plug, and how do I know which one I need?


A bus plug connects electrical equipment to a busway system. To choose the right one, you’ll need to know your voltage, amperage, plug-in style, and brand compatibility. Contact us for help if you're unsure.





Can I return or exchange a product?

We offer hassle-free returns on most items. Conditions may vary between new and used products, so check our return policy or reach out for details.

Do you offer bulk pricing or discounts for contractors?

Yes! If you’re buying in volume or placing recurring orders, we offer special pricing for contractors and resellers. Reach out for a custom quote.

How fast do you ship?

Most orders ship within 1–2 business days. Expedited shipping is available if you’re on a tight deadline.

Can I get help choosing the right breaker or disconnect?


Definitely. Our team is here to help you pick the right specs, compatibility, and configuration for your project. Call, chat, or email us anytime!

Over 40,000+
Happy Customers


Great quality breakers and bus plugs. Easy to install, no issues, and they’ve held up well on every job. Reliable gear we trust.


These breakers and bus plugs were perfect for our plant upgrade. Fast delivery, solid build, and smooth integration. Very satisfied!