[ale] OT need 600-1000W power protection for 3 minutes - cheap

[Alex Carver]

On 7/9/2013 13:13, Ron Frazier (ALE) wrote:
> PS, these ups's only have about 300 joules of surge protection.  I've
> never understood why.  I would recommend putting a good media room surge
> protector first in line, with a 2000 - 3000 joule surge protection
> rating, then the ups.

Because when the voltage exceeds the setpoint it disconnects the load 
from the incoming power and switches to battery.  The low surge 
suppression is to handle surges that stay within the switching limits.