switches and contactors

Symbol: switches and contactors - flasher, self-interrupting switch, form 1flasher, self-interrupting switch, form 1
Symbol: switches and contactors - flasher, self-interrupting switch, form 2flasher, self-interrupting switch, form 2
Symbol: switches and contactors - transfer form 1transfer form 1
Symbol: switches and contactors - transfer form 2transfer form 2
Symbol: switches and contactors - two circuit pushbuttontwo circuit pushbutton