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I have the following question:

We have a rack at a datacenter with a 208V/60 amp circuit coming into a 208V/60 AMP PDU and I was wondering if we lower the circuit to let say 208V/30 amp or 120/30 amp do I need to change the PDU to a 208V/30 or 120/30 as to match the amperage on the circuit?

I guess my question is if the PDU has to always match the amperage and volts of the circuit?

Thanks in advance

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Voltage has to match, amperage has to be less than or equal (but with some margin to spare).

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Excellent. Thank you – user46592 Jun 23 '10 at 17:13

It doesn't need to match no, all you're doing is potentially moving which part will trip out first.

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