Hopefully someone can assist with this particular question. I have searched the web and have been unable to find anything thus far so I figured I would post here and hopefully someone may have the knowledge to answer. I need to replace a siemens drive motor on a machine, the original unit was a 1FT6044-4AF71-4EH1 and was later replaced with a 1FT6044-4AF71-4EH6. I want to know what the difference in the two motors is since the only difference in the number is 4EH1 and 4EH6.
Looks like the only difference is 1 = IP65 protection vs. 6 = IP68 protection. You new motor is better sealed, and will run underwater IP68 = Protected from total dust ingress. Protected from long term immersion up to a specified pressure. (1M)
Its been a long week. I knew I was missing something earlier. There is one other thing different in the 2 numbers. In the second string one is a 4AF71 and the other is a 1AF71. Im looking but havent found wat that designation dictates yet.
Siemens motor numbers
IP68 = Protected from total dust ingress. Protected from long term immersion up to a specified pressure. (1M)
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