... switch, noiseless, long life, compact, no spark, orrosion resistant and etc. Single phase AC solid state relay (AC-AC ... fast switch, noiseless, long life, compact, no spark, corrosion resistant, explosion-proof, antivibration and so on. It is widely applied ... many other fields where need the explosion-proof, anti-temperature, corrosion resistant. It becomes the ideal replacements of relay (EMR) family ...