Finder series 27 panel mount step relays finder 270582300000 this finder 2705 is a 230v ac 10a electromechanical step relay which means that every time it is energised the contacts advance to the next state in a sequence this particular relay has four states both open one open one closed as the last state but reversed and both closed the contacts hold their position when the coil voltage is removed finder 270582300000 10a 230vac step relay 4 sequence dpst no