刀形熔断器
/ˈnaɪfblˈeɪd ˈkɑːtɹɪdʒ ˈfjuːz/
n
English: knife-blade cartridge fuse · 刀形熔断器
English · knife-blade cartridge fuseEspañol · fusible de bayonetaFrançais · fusible-cartouche à lames
释义：Having a capacity of 60 to 600 amperes, it protects the main electric circuit.