crossbar switch

electromechanical line selector for automatic telephone exchanges

en-GB/ˈkɹɒsbɑːɹ ˈswɪt͡ʃ/
en-US/ˈkɹɑsˌbɑɹ ˈswɪt͡ʃ/

श्रेणियाँ:

electrical switch