I notice that polyswitches also have a voltage rating. If I use a 2A trip switch rated for 60V will it take longer to trip at 18V than say a 2A trip 30V switch. Seems to me that having a voltage rating in addition to the current rating indicates that there is a power factor not simply voltage involved here. Example, 2A X 60V= 120W where as 2A X 30V= 60W. Which leads me to wonder if I find polyswitches rated at 18V would I need to double the current rating to 4A to keep them from tripping to easily. j
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