We are manufacturing different kinds of 3-phase solid state relay,AC/DC solid state relay,Dual solid state relay,UL approval SSR 10-120A 3-phase Solid State Relays Features: -High performance/low cost circuit design. -Logic compatible current regulated input. -2500 Vrms optical isolation. -Both "Zero Voltage" & phase controllable "Random Switching" versions. -High voltage (1200 Vpk) versions for ...