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heroicons/solid/check Over 300,000 products in stock
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Siemens 6AG1221-3BD30-5XB0

SIPLUS S7-1200 SB 1221 4DI based on 6ES7221-3BD30-0XB0 with
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The Siemens SIPLUS S7-1200 SB 1221 (6AG1221-3BD30-5XB0) is a robust signal board designed for reliable digital input expansion within S7-1200 automation systems.

Based on the standard 6ES7221-3BD30-0XB0, this SIPLUS variant features a conformal coating, ensuring enhanced protection against humidity, condensation, and aggressive environmental influences. It is engineered for demanding industrial applications where reliability and durability are critical.

The module provides 4 digital inputs at 24 V DC with fast signal processing up to 200 kHz, making it suitable for precise sensing and monitoring tasks. With an extended operating temperature range from -40°C to +60°C and cold start capability down to -25°C, it performs consistently in harsh environments.

Compact dimensions allow seamless integration into control cabinets with limited space. The SIPLUS S7-1200 SB 1221 is an ideal choice for machine builders and industrial automation professionals seeking dependable Siemens quality for long-term operation.

SIPLUS S7-1200 SB 1221 4DI based on 6ES7221-3BD30-0XB0 with conformal coating, -40ÔǪ+60 -¦C, start up -25 -¦C, digital inputs 4 DI 24 V DC 200 kHz
General
Manufacturer:
Siemens
Range:
Siplus S7
Subrange:
S7-1200
PLM
Product phase:
Active
PLC
Number of digital inputs:
4
Logistics
Dimensions:
3,80 x 2,10 x 6,20
Weight:
0.07lbs
Commodity Code:
85389091
ECCN number:
EAR99
EAN:
4042948623039
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%
How do I order a product or repair online?
First, find your product in the webshop. On the product page, you can add the product or repair to your shopping cart. Then proceed to checkout. 
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. 
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. 
How much are transport costs?
Transport costs are usually included in the price. There are a few exceptions. Check the overview of all transport costs.