Siemens 6ES7421-7DH00-0AB0

SIMATIC S7-400, digital input SM 42

Condition

Repair

Unavailable

Excl. Tax:

Need more?

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

The Siemens 6ES7421-7DH00-0AB0 is a robust digital input module designed for use within the SIMATIC S7-400 automation system. This SM 421 unit provides 16 isolated digital inputs, supporting a voltage range of 24 – 60 V DC, and is engineered to deliver reliable performance in demanding industrial environments. The 6ES7421-7DH00-0AB0 features integrated alarm and diagnostics functions, ensuring prompt detection of faults for streamlined process control and maintenance. The module's compact design allows for efficient installation within control cabinets, making it well-suited for applications where space and reliability are critical.

Brand: Siemens – trusted for industrial automation solutions
Fast delivery and large inventory for reduced downtime
Standard 2-year warranty on refurbished 6ES7421-7DH00-0AB0 units

SIMATIC S7-400, digital input SM 421, isolated 16 DI; UC 24 - 60 V, alarm, diagnostics

General

Manufacturer:

Siemens

Brands:

Siemens

Range:

Simatic S7

Subrange:

S7-400

Type of product:

Digital modules

PLM

Product phase:

Active

PLC

Digital inputs:

Logistics

Dimensions (cm):

2,50 x 21,00 x 29,00

Weight:

0.50kg

Commodity Code:

85389091

Export Control Regulations (ECCN):

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

-90%

Resource use minerals and metals

-98%

Water use

-94%

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.