> If the relay is overloaded, it will not last as long, but relays don't > last forever. =A0If it is slightly overloaded, the life will be reduced > slightly. =A0Even grossly overloaded, the relay might work for a few > cycles before the contacts burn out. =A0So you are moving along a curve, > not going from a binary "in spec, works" to "out of spec, fails." Agreed, but I need a more deterministic path than "Try it and see what happ= ens". For this application, 10k cycles under full load would be a lifetime. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .