可か溶よう片へん

noun

fuse

Technical term for a fuse in electrical circuits; a safety device that melts to break the circuit when current is excessive.

• 過か電でん流りゅうが流ながれると可か溶よう片へんが溶とけて回かい路ろを遮しゃ断だんする。

  When an overcurrent flows, the fuse melts and breaks the circuit.