断だん線せん

noun, noun or participle which takes 'suru', intransitive verb

wire break; disconnection; burn-out

Refers to a physical break in an electrical wire, cable, or filament, causing loss of connection or function. Often used for blown fuses, broken headphone wires, or network disconnections.

• イヤホンの線せんが断だん線せんして、音おとが聞きこえなくなった。

  The earphone wire broke and I can't hear any sound.

• ヒューズが断だん線せんしたので交こう換かんが必ひつ要ようだ。

  The fuse has blown, so it needs to be replaced.