The Siemens 6ES7392-1AJ20-0AA0 is a SIMATIC S7-300 front connector designed specifically for the 6ES7331-7SF00-0AB0 analog input module. Its purpose is to improve the precision of thermocouple measurements by enabling internal compensation measuring type — meaning the cold-junction reference is handled within the module rather than externally, reducing a common error source in multi-channel temperature scans.

Siemens 6ES7392-1AJ20-0AA0 S7-300 Front Connector, EOL
MPN6ES7392-1AJ20-0AA0
End of Life
Siemens SIMATIC S7-300 front connector 6ES7392-1AJ20-0AA0, for 6ES7331-7SF00-0AB0, improves thermocouple precision in internal compensation measuring, EOL.
$55.88 – $104.00Ref. price · indicative, final on quote
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Independent China distributor & sourcing agent· Listing updated Sep 2026
Product details
Frequently asked questions
What is the listed description of 6ES7392-1AJ20-0AA0?
It is a SIMATIC S7-300 front connector for the 6ES7331-7SF00-0AB0 module, used to improve thermocouple measurement precision in the internal compensation measuring type.
MPN
6ES7392-1AJ20-0AA0