[c-nsp] Cat 6509 Power supplies

Seth Mattinen sethm at rollernet.us
Tue May 26 14:38:36 EDT 2009

Bill Blackford wrote:
> I have a question about power supplies.
> I am upgrading a 6509 chassis from SuP1/MFSC2 to a pair of SUP720-3BXL's, fan and new power supplies. I originally spec'd a pair of 4000W units. Now as we know, these can only support NEMA L6-30, vs. the variable power supplies such as the 3000W. I've run out of L6-30R's in my data center as our new rack PDU's are of this spec. I may need to use 110V NEMA 5-20 plugs.
> Can the 3000W power supply (in redundant mode) support a fully populated 6509 chassis (no POE) when using 110VAC?

As far as I'm aware, the specs for the 3000W power supply are:

16A maximum at 200 VAC at 3000W output
16A maximum at 100 VAC at 1450W output


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