Abstract: An intermittently operable switch assembly comprises an electrically insulating base having mounted on one surface thereof a first electrical terminal for connection to a power supply, a second electrical terminal for connection to an apparatus to be operated intermittently, and a third electrical terminal for connection to an indicator lamp. On the opposite surface of the base are mounted a first support carrying an armature at one end thereof which is engageable with a first fixed contact and having an electrical winding thereon, a second support including a mounting flange and having a snap action circuit breaker mounted thereon, and a third support having a second fixed contact thereon with which the circuit breaker is arranged to engage. The first, second and third terminals are secured to the base respectively by means of three rivets with which they are respectively electrically connected.