Rafi rafix 16 contact block universal momentary 250ma withwithout bulb holder rafi 120123031 a contact block from rafi accepts a range of rafi pushbuttons and other accessories with two sets of contacts and actuators universal contact blocks are able to switch two different circuits the contacts of universal switching elements are arranged in two separate switching chambers using two actuation sizes this allows the use of alternating operating directions 1 nc 1 no contact rafi 1201