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Old January 2nd, 2018, 05:22 PM   #16
kalabdel
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Canada

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Thanks Ipc921, I understand that there's a rectifier in the motor/box housing. I haven't seen it.

I contacted Lenze and their reply is :
"The manual does not specify a surge suppressor.

Refer to attachment."
I added their attachment with this post.

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File Type: pdf 8400 motec holding brake.pdf (25.3 KB, 4 views)
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Old January 2nd, 2018, 05:31 PM   #17
lpc921
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Yes, the drawing looks good for the Lenze drive since it's same as what the manual suggests. I thought we are arguing whether the MURR suppressor is necessary on the three phase brake.
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Old January 2nd, 2018, 05:35 PM   #18
kalabdel
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I don't know that we're arguing at all but yes I am curious as to why one needed that much suppression and the other didn't without getting in the mind of the designer. It's for learning not troubleshooting, not yet anyway.

Kal
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