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heroicons/solid/check Over 300,000 products in stock
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Siemens 3RV2021-4FA10

Circuit breaker size S0 for motor protection, CLASS 10 A-release…
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The Siemens 3RV2021-4FA10 is a robust circuit breaker in size S0, optimized for motor protection in industrial applications.

Equipped with a CLASS 10 thermal overload release adjustable from 34 to 40 A and an instantaneous magnetic release at 480 A, it delivers precise protection against overloads and short circuits.

Featuring screw terminals for reliable connections and standard switching capacity, this Siemens motor protection device ensures seamless integration into control panels.

Compact dimensions of 45 x 97 x 97 mm and a weight of just 0.38 kg facilitate easy installation, while German manufacturing guarantees superior quality and durability.

Ideal for B2B electrical systems requiring dependable Siemens circuit breakers.

Circuit breaker size S0 for motor protection, CLASS 10 A-release 34...40 A N-release 480 A screw terminal Standard switching capacity
General
Manufacturer:
Siemens
PLM
Product phase:
Active
Logistics
Dimensions (cm):
4,50 x 9,70 x 9,70
Weight:
0.38kg
Commodity Code:
85362010
Export Control Regulations (ECCN):
N
Country of Manufacture:
Germany
EAN:
4011209716278
When you choose JCertified refurbished electronics, you save on water, raw materials, and CO₂ needed for the production of new electronics. Check below to see exactly how much you save with this specific refurbished product:
CO2 eq
-72%
Resource use minerals and metals
-95%
Water use
-83%
Can I buy on account at JC-Electronics?
Yes, under certain conditions. Contact the Sales team via [email protected] for more information.
Why should I choose JC-Electronics?
You can rely on a stock of 300,000 pieces of industrial electronics from leading top-quality brands, both new and refurbished. Therefore, you can also find drives, PLCs, HMIs, and industrial PCs that are no longer produced with us. You always get a 2-year warranty. Additionally, refurbished products are circular, helping you reduce your ecological footprint.  Good to know: New products and tested refurbished products ordered before 16:00 CET are shipped the same day.
Why can I trust refurbished electronics from JC-Electronics?
All products are thoroughly cleaned, defects are repaired, and weak elements are proactively replaced. If they pass the endurance test, the products can be sold. You can recognize them by the JCertified warranty seal. The entire process has received the RecQ quality mark from DEKRA and the ISO14001:2015 certificate
How much warranty do I get on a product?
You always get a 2-year warranty on products, both refurbished and new. This is twice as much as the standard factory warranty from many manufacturers.
Are all products available from stock immediately?
New and tested refurbished products from our stock are always available immediately. Untested and non-refurbished products undergo a thorough refurbishment and an extensive testing procedure before shipment.
Can I order products urgently?
Yes, you can. New and refurbished products that are ready for shipment will be dispatched the same day if the order is received before 16:00 CET. An express shipment to the Netherlands, Belgium, Luxembourg, Germany, Austria, Switzerland, France, or Italy will arrive the next day. An express shipment to other countries in the European Union takes 2 days. An express shipment to countries outside the European Union takes 3 days. 
Can I have products repaired urgently?
 Yes, you can. With an urgent repair, your product will be repaired within 3 working days. Contact the Sales team via [email protected] for this.
Why should I buy refurbished electronics?
There are several reasons to purchase a refurbished product. For example, because electronics are no longer made and are hard to get new. But also because refurbished is a sustainable choice, reducing your organization's ecological footprint. Whatever the reason, you always get a 2-year warranty on both refurbished and new electronics at JC-Electronics.