In this age of enlightenment any sort of relatiONship that could be described as master/slave would be questionable but for the purposes of this cIRcuit it gives a good idea of how it functions. The circuit senses mains current supplied to a ‘master’ device and switches ‘slave’ equIPMent height=530 alt=主从交流双路开关电路 hspace=0 src="/data/attachment/portal/201101/ET119115201101071428051.jpg" width=530 border=0>

主从交流双路开关电路