in·ter·rupt·er /ˌɪntəˈrʌptɚ/
  遮斷者,阻礙者,斷續器
  interrupter
  中斷器 岔斷器
  In·ter·rupt·er n.
  1. One who, or that which, interrupts.
  2. Elec. A device for opening and closing an electrical circuit; a vibrating spring or tuning fork, arranged to make and break a circuit at rapidly recurring intervals, by the action of the current itself. [Also spelled interruptor.]
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  interrupter
       n : a device for automatically interrupting an electric current