Solid State Contactors & Solid State Switches: Solid State Relays (PCB and panel mount) By Fastron Technologies Share: Wide range of single, dual and quad solid state relays and special purpose functions. Combination of DC or AC inputs and DC or AC outputs are available. AC ouputs from 1Amp to 125 Amps, 110V to 660V. DC outputs from 1Amp to 40 Amp, 60V to 500V. Range of I/O modules and mounting boards.