Siemens Timing relay, electronic, screw, 12 - 240VAC/DCProduct Overview Timing relay, electronic with star delta (wye delta) function 1 NO delayed 1 NO instantaneous 1 time range, 1 20 s 12 240 V AC DC at 50 60 Hz AC screw terminal This specialized electronic timing relay (Article Number: 3RP2574 1NW30) from the SIRIUS 3RP25 series is specifically designed for star delta (wye delta) motor starting applications. The device features one normally open delayed contact and one normally open instantaneous