Dear Experts 

  I received some new motor modules that their serial numbers are begins with S T-L2 ****** 

so by the Siemens catalog the manufacturing date of this drives should be 2020 February , but how it's possible . does this manufacturing date show a period that  2 years after that we should make a capacitor forming or some thing like this .

please Explain for me if it's possible .

 Hello,

Serial no S T-L2 ******  the manufacturing date is 2019-Feb only.

2020-FEB is will not be  with this serial no S T-L2 ******

saeed kolouri

Dear Experts 

  I received some new motor modules that their serial numbers are begins with S T-L2 ****** 

so by the Siemens catalog the manufacturing date of this drives should be 2020 February , but how it's possible . does this manufacturing date show a period that  2 years after that we should make a capacitor forming or some thing like this .

please Explain for me if it's possible .