"A control switch consists of one or more contact elements with a common actuating system. IEV 441-14-46" . "Qualified" . "CONTROL SWITCH" . "CONTROL SWITCH" . "RDS935459" . "A switch that serves the purpose of controlling the operation of switchgear or controlgear, including signalling, electrical interlocking, etc." . "u20683" . "2006.08.10" . .