Siemens 6ES5 421-8MA12 – SIMATIC S5 Digital Input Module 421 8MA12
Siemens 6es5 421-8ma12 – SIMATIC S5 Digital Input Module 421 8MA12 from the S5-090/095/100 range. Status: discontinued by the manufacturer, no longer available new. Van Haelen supplies it refurbished or new in sealed factory packaging, with a 24-month warranty.
Also written as: 6es5421-8ma12, 6es54218ma12
The Siemens 6ES5 421-8MA12 is a Simatic S5 control component from the Simatic S5 (S5-090/095/100) range. Manufacturer type designation: SIMATIC S5 Digital Input Module 421 8MA12. Status: discontinued by the manufacturer, no longer available new. Key data: weight 0.19 kg, dimensions 14,2 x 11,1 x 5,8 cm, HS code 85389091. Ask us about exchange, repair and a spare-parts pool for your installation.
Available as
Product data
| Manufacturer | Siemens |
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| Part number | 6es5 421-8ma12 |
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| Type designation | SIMATIC S5 Digital Input Module 421 8MA12 |
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| Series | S5-090/095/100 |
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| Manufacturer status | discontinued by the manufacturer, no longer available new |
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| Predecessor | 6ES5421-8MA11 |
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| ETIM | EC001419 |
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| HS code | 85389091 |
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| Country of origin | DE |
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| Weight | 0,19 kg |
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| Dimensions | 14,2 x 11,1 x 5,8 cm |
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Documentation from the manufacturer
All products of the S5-090/095/100 series
All PLC I/O modules
Frequently asked questions
Is the 6es5 421-8ma12 still available?
Not new from the manufacturer any more: the 6es5 421-8ma12 was discontinued. Van Haelen supplies it refurbished and tested.
Does the 6es5 421-8ma12 replace the 6ES5421-8MA11?
Yes. According to the manufacturer the 6es5 421-8ma12 is the successor of the 6ES5421-8MA11. Before replacing, check that the project and the connections match the new version; if in doubt we also supply the 6ES5421-8MA11 itself, refurbished or new, as long as it can be found.
What does refurbished mean?
Cleaned, inspected, aged or critical components replaced and tested to our test protocol for this product family. You get a 24-month warranty, a test report and a serial number label.
Can I exchange or repair my faulty unit?
Yes. With an exchange Van Haelen supplies a refurbished unit straight away and you return the faulty one. With a repair you first get a diagnosis and then a fixed price, with test report and warranty.