流固態繼電器SSR(solid state reley)是一種無觸點通斷電子開關,它利用電子元件(如開關三極管、雙向可控矽等半導體器件)的de開kai關guan特te性xing,可ke達da到dao無wu觸chu點dian無wu火huo花hua地di接jie通tong和he斷duan開kai電dian路lu的de目mu的de,為wei四si端duan有you源yuan器qi件jian,其qi中zhong兩liang個ge端duan子zi為wei輸shu入ru控kong製zhi端duan,另ling外wai兩liang端duan為wei輸shu出chu受shou控kong端duan。為wei實shi現xian輸shu入ru與yu輸shu出chu之zhi間jian..