Danny Sauer wrote: > So, basically, there's no simple way for the commoner to extrapolate > one from the other, and assuming the worst would be a good policy. > Right? :) I think so. I wouldn't necessarily trust a switch that's rated for 3 A/250 V with more than 3 A, even if the load voltage it has to switch is lower. And I wouldn't trust it with higher load voltages, even if the current it has to carry is lower. This is not a power specification... Also, with most mechanical contacts there's a difference between holding current and switching current. The switching current is usually lower (sometimes much lower) than the holding current. I guess you just can hope that it's the switching current when the only thing you have is "3 A/250 V" :) Gerhard -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist