Rafi rafix 16 contact block standard latch 250ma 35v with bulb holder faston rafi 120122071 a contact block from rafi accepts a range of rafi pushbuttons and other accessories the standard switching element includes an operating plunger and a common switching chamber this can be snapped onto operating elements with one operating direction e g pushbuttons a standard switching element with integrated latching mechanism is used as the switch it is tripped through normal actuation push