KS41 pin-out is compatible with standard AC type I/O modules,and all models are available with random turn-on as an alternative to zero-cross turn-on.The KS41 SSR range offers a choice of 240VAC,380VAC,480VAC versions.Input Voltage specifications have 4VDC to 15VDC,15VDC to 32VDC and 3VDC to 32VDC.