... SSR(1 or 3 phase 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 relay ... 23609691 Fax: 86-0760-23609692 Phone: 86-13217608016 SSR(1 or 3 phase Solid State Relay)