The 9203A is a universal driver module for solenoids, acoustic alarms and LED, with extended self-diagnostics, single or dual channel. It can be supplied separately or installed on power rail, PR 9400 The unit is SIL 2-certified via Full Assessment. The unit is available with with mechanical switch input, NPN or PNP, 1 or 2 channels. The relay outputs are rated to 110 VDC / 125VAC, 0.3 ADC / 0.5 AAC. ...