6ES7921-4AB00-0AA0

Description for 6ES7921-4AB00-0AA0

The Siemens 6ES7921-4AB00-0AA0 is a front connector module designed for digital I/O modules of the S7-400 series. This unit features a twisted ribbon cable and ensures secure power supply through a screw-type terminal connection. The 6ES7921-4AB00-0AA0 is built for reliable performance in demanding industrial environments, supporting efficient and safe integration within automation systems. Its robust construction and precise compatibility make it an essential component for project managers and production leaders seeking dependable connectivity solutions. The 6ES7921-4AB00-0AA0 also benefits from Siemens' reputation for quality and durability.

Brand: Siemens
Direct compatibility with S7-400 digital I/O modules ensures fast installation
Twisted ribbon cable design minimizes signal interference and enhances reliability
Power connection via screw-type terminal for stable and secure operation

FRONT CONNECTOR MODULE WITH TWISTED RIBBON CABLE FOR DIGITAL I/O MODULES OF S7-400, POWER SUPPLY VIA SCREW-TYPE TERMINAL

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 S7

Subrange:

S7-400

Type of product:

Digital modules

Product phase:

Phase-Out

Dimensions (cm):

7,60 x 2,50 x 27,90

Weight:

0.20 kg

Commodity Code:

85369010

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.

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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.