Siemens 3SK1230-1AW20 is a SIRIUS safety relay power supply for the 3SK1 Advanced series. It accepts 110-240 V AC or DC input on screw terminals and provides a 24 V DC output at up to 600 mA to power the basic 3SK1 safety-relay unit and its expansion options. The unit carries an IP20 rating and measures approximately 121.7 mm in length, 22.5 mm in width, and 100 mm in height, delivering a compact, dedicated control-supply module for safety circuits.
