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heroicons/solid/check Over 300,000 products in stock
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heroicons/solid/check New & refurbished 2 years warranty

Siemens 6ES5521-8MB12

SIMATIC S5, CP 521 BASIC SERIAL INTERFACE BASIC PROGRAMMING
Condition
How does requesting a repair work?
  1. Add the repair to your cart and complete your order
  2. You'll receive an RMA form by email
  3. Pack your product with the RMA form and send it to us
  4. We repair and test it, then return it in 2 weeks
+ €250.00
Excl. Tax
Need more?

Need something we currently don't have available? Our sourcing team can help you find what you need

The SIMATIC S5, CP 521 BASIC SERIAL INTERFACE is designed for basic programming tailored specifically for the S5-90U, S5-95U, and S5-100U series, as well as the ET 200U. With its robust construction and reliability, this interface has proven invaluable for integrated automation solutions. Since its introduction, it has facilitated seamless communication in various industrial applications.

Despite being classified as obsolete in 2013, the CP 521 remains a key component for those maintaining legacy systems. With dimensions of 13.90 x 13.40 x 5.20 cm and a lightweight structure of 0.25 kg, it is both compact and easy to install. The product’s EAN code is 4025515054658, simplifying inventory and reordering processes.

Backing its usability is Siemens, a trusted manufacturer known for its high-quality electrical components. This part falls under the Simatic S5 range, ensuring compatibility within a range of existing systems. Whether you are performing routine maintenance or upgrading your system’s capabilities, the 6ES5521-8MB12 offers reliability and performance.

SIMATIC S5, CP 521 BASIC SERIAL INTERFACE BASIC PROGRAMMING FOR S5-90U/-95U/-100U, ET 200U
General
Manufacturer:
Siemens
Range:
Simatic S5
Subrange:
S5
PLM
Product phase:
Obsolete
Predecessor:
6ES5521-8MB11
Logistics
Dimensions (cm):
13,90 x 13,40 x 5,20
Weight:
0.25kg
Commodity Code:
85389091
Export Control Regulations (ECCN):
N
EAN:
4025515054658
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.