Re: [RE-wrenches] AC breakers used in DC applications

Hi,One thing to be clear about is whether these are listed for "48 volt systems," or for max 48 volts?I was under the impression that they were max 48 volts, meaning you really shouldn't use them on a system >24volts nominal. Rebekah HrenNorth Carolina  http://thecarbonfreehome.com/ --- On Sat,

Re: [RE-wrenches] AC breakers used in DC applications

Hi Rebekah, The 48v is a max rating not a nominal rating. So yes only good for 12 and 24v systems. However with CBI breakers I don't understand why the need for QO for DC anymore? jay peltz power On May 15, 2010, at 6:28 AM, Rebekah Hren wrote: > Hi, > One thing to be clear about is whether th

Re: [RE-wrenches] AC breakers used in DC applications

I did see a QO breaker fail to trip on a 24 volt DC system with only battery voltage behind it. It burned a #12 wire completely in two. The 48v is a max rating not a nominal rating. So yes only good for 12 and 24v systems. However with CBI breakers I don't understand why the need for QO for