Dolphin Automation offers a Three Phase Solid State Relay. It is made in standard and custom build packages with faster switching, longer life and high reliability. It is compatible to TTL/CMOS logic with opto isolation of 2500 VAC. Features: optically isolated; output snubber circuit included; high surge rating allows; LED indicator; noiseless; low consumption input; zero current switch-off and protection cover. Single phase solid state relay is also offered.