Siemens 6ES7421-1BL01-0AA0

SIMATIC S7-400, digital input SM 421, isolated 32 DI; 24 V DC

Condition

Repair (incl. JCertified refurbishment)

Unavailable

Excl. Tax

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The Siemens 6ES7421-1BL01-0AA0 is a digital input module designed for integration with the SIMATIC S7-400 automation system. This module features 32 isolated digital inputs operating at 24 V DC, providing reliable signal acquisition for a wide range of industrial applications. Engineered for demanding production environments, the 6ES7421-1BL01-0AA0 ensures consistent performance and dependable data processing in automated processes.

Large stock enables fast delivery of the 6ES7421-1BL01-0AA0, minimizing downtime in your production line.
Available as a refurbished option with a standard 2-year warranty, supporting sustainable and cost-effective production.
Proven Siemens quality ensures the 6ES7421-1BL01-0AA0 delivers reliable operation and long service life in industrial settings.

The robust build and isolated inputs of the 6ES7421-1BL01-0AA0 help reduce interference and maintain signal integrity. Installation is straightforward, and the module is compatible with existing S7-400 racks. Project managers and production leaders benefit from the combination of quick availability and the assurance of quality, making this Siemens module a dependable choice for critical industrial automation tasks.

SIMATIC S7-400, digital input SM 421, isolated 32 DI; 24 V DC

General

Manufacturer:

Siemens

Range:

Simatic S7

Subrange:

S7-400

Type of product:

Digital modules

Supply voltage:

24V DC

PLM

Product phase:

Active

Predecessor:

6ES7421-1BL00-0AA0

PLC

Supply voltage:

24V DC

Digital inputs:

Logistics

Dimensions (cm):

2,50 x 21,00 x 29,00

Weight:

0.50kg

Commodity Code:

85389091

Export Control Regulations (ECCN):

EAN:

4019169021463

Downloads

Datasheet 6ES7421-1BL01-0AA0 114.90 kB

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%

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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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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.