6ES7321-1FF81-0AA0

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Description for 6ES7321-1FF81-0AA0

The Siemens 6ES7321-1FF81-0AA0 is a digital input module designed for the SIMATIC S7-300 automation system. With 8 optically isolated digital inputs, this module is suitable for demanding industrial environments, supporting both 120V and 230V AC voltage ranges. The 6ES7321-1FF81-0AA0 features a robust design for an expanded temperature range, making it reliable for continuous operation in various production settings. Each input is connected via a 20-pin interface, ensuring easy integration into existing setups. The module’s optical isolation safeguards your control system against electrical interference, contributing to system stability and longevity.

Brand: Siemens – engineered for high reliability in industrial automation.
Wide input voltage compatibility (120V/230V AC) for flexible deployment.
Expanded temperature range and optical isolation for enhanced durability and safety.

The Siemens 6ES7321-1FF81-0AA0 is ideal for project managers and production leaders who require quick delivery and dependable performance. This module is available from stock and includes a standard 2-year warranty on refurbished units, supporting both sustainability and quality requirements.

SIMATIC S7-300, DIGITAL INPUT SM 321, OPTICALLY ISOLATED, FOR EXPANDED TEMPERATURE RANGE, 8 DI, 120V/230V AC, 20 PIN

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:

S7-300

Type of product:

Digital modules

Product phase:

Obsolete

Dimensions (cm):

9,80 x 12,30 x 9,20

Weight:

0.28 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.