6ES5521-8MA21

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Transport and Handling Information

The transportation costs depend on the destination, purchase price, weight, shipping speed, and whether it is a pallet order.

Express shipping and rush orders

With express shipping, the product is delivered faster. For products that are not yet ready for shipping, you can place a rush order. These products still need to be revised.

A rush order is ready for shipping within 2 business days and can then be shipped express. This can be selected during checkout.

Condition

Do you want to save 95% on raw materials? Choose refurbished!

(Z-)Options Get the product with z-options

Description for 6ES5521-8MA21

The Siemens 6ES5521-8MA21 is a SIMATIC S5 CP 521 SI communications processor designed for reliable serial interface connectivity in automation environments. This module supports integration with S5-90U, S5-95U, S5-100U, and ET 200U systems, making it suitable for a broad range of industrial applications where consistent communication is critical. With its robust build and proven Siemens engineering, the 6ES5521-8MA21 enables seamless data exchange and efficient process control within production lines. The unit is constructed using durable industrial-grade materials to withstand demanding operational conditions. Installation is straightforward, allowing for quick configuration and minimal downtime. The 6ES5521-8MA21 is available as a refurbished component, offering a sustainable solution with the assurance of Siemens quality. Every refurbished unit comes with a standard 2-year warranty, ensuring dependable operation and peace of mind.

Fast delivery and large stock of Siemens 6ES5521-8MA21 modules minimize production delays.
Refurbished option provides a sustainable and cost-effective choice without compromising reliability.
Standard 2-year warranty included with every 6ES5521-8MA21 refurbished unit.

SIMATIC S5, CP 521 SI COMMUNICATIONS PROCESSOR (SERIAL INTERFACE) FOR S5-90U/95U/-100U, ET 200U

JC-Electronics is not an official authorized distributor for Siemens. The original manufacturer's warranty does not apply. Instead, we offer you a 2-year warranty according to our JCertified guidelines.

Positive Results

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%

Specifications

Manufacturer:

Siemens

Range:

Simatic S5

Subrange:

S5-090/095/100

Type of product:

Communication modules

Product phase:

Obsolete

Dimensions (cm):

13,30 x 5,25 x 13,30

Weight:

0.33 kg

Commodity Code:

85389091

Export Control Regulations (ECCN):

Product Questions (8)

Can I buy on account at JC-Electronics?

Yes, under certain conditions. Contact the Sales team via sales@jc-electronics.com 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 sales@jc-electronics.com 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.