... Solid State Relay)1, Features: Imported electrical parts,high switching speed,no-spark,dedication in size. corrossion resisting,quake and explosion ... -proof,reliable quality,long work life.2, Sorting: Single/3-phase Solid State Relay,DC/AC Solid State Relay,medium/high-power solid state ... control machinery etc.against moisture,humidity,explosion. The input terminals are compatible with ...