UPS and three way bypass switch...

[drcat]

Don't know if anyone can give some insight on this: UPS and a three way bypass switch:<br>Position 1 - &nbsp;Normal (UPS Power)<br>Position 2 - &nbsp;Bypass &amp; UPS (Mains Power / UPS On)<br>Position 3 - &nbsp;Bypass (Mains Power / UPS Off)<br><br>What could overload the UPS and cause it to, well , blow up? &nbsp;gone through 3 UPS's! Not cheap. &nbsp;Spark has been and tested, reckons all is OK. There is a ferrite core transformer feeding the UPS, is it possible that this could be the cause or can there be a fault on the bypass switch that is creating an over-voltage perhaps, doubling up the 240v to 480 or am I barking up the wrong tree. &nbsp;What can I test before calling in a (different) spark. &nbsp;Any advice would be greatly appreciated, new business, no money!&nbsp;

 

[Tate]

The UPS is the common denominator. Has that been checked?

 

[malcolmsanford]

The UPS is the common denominator. Has that been checked?

Sorry Tate not sure how 3 different UPS systems can be common.

I think you have posted this via on your phone and to be honest I can't really decipher what you want, and would like to help. Can you re post please.