Kudom ksj series solid state relays single phase dc output panel mount kudom ksj100d20 l this 20a solid state relay from the ksj series has a single phase load voltage of 100v dc and a control voltage of 4 to 32v dc the panel mounted relay has a mosfet output and is intended for industrial dc applications such as heating systems high power power supplies valve operation dc motors solar energy etc kudom ksj100d20 l panel mount single phase ssr 4 32vdc 0 100vdc load 20a led