Rafi rafix 16 contact block universal momentary 6a 250v withwithout bulb holder rafi 120123021 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 the universal switching elements are arranged in two separate switching chambers with two actuation sizes this allows the use of alternating actuation directions pushbutton 1 nc 1 no ra