Automatic Switches?

Seth Mattinen sethm at
Mon Feb 9 07:58:18 UTC 2009

Seth Mattinen wrote:
> I hate to interrupt the IPv6 and RFC 1918 mega-threads...
> Does anyone know of a company that makes 208v (3-wire line-line ground,
> no neutral, 208v loads only, single phase) 30-60 amp automatic transfer
> switches with sub-30ms switching time? APC used to make the SU045X163
> 30A model, but it seems to have been discontinued and it's hard to find
> products that support 208v single phase.

Ugh, of course I come across something (TwinSource DCC-II RM-ITSTS, 50A
in a 4U case using SCRs) mere minutes after posting. Any other
recommendations are still welcome. The TwinSource unit looks quite
fascinating, although I'm guessing quite expensive.


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