Rafi rafix 16 contact block universal momentary 250ma withwithout bulb holder rafi 120123011 a contact block from rafi accepts a range of rafi pushbuttons and other accessories 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 rafi 120123011 contact block univ 1no 1nc 250ma 35v lamp holder faston