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    • 5. 发明专利
    • Fusible link unit
    • JP5346796B2
    • 2013-11-20
    • JP2009291749
    • 2009-12-24
    • 矢崎総業株式会社
    • 真実 野原
    • H01H85/175H01H85/12
    • H01H85/044H01H85/2045H01H2085/025
    • To provide a fusible link unit adapted to prevent half-fitting while suppressing an increase in projection costs. In such a state that a resin cover 26 is placed to deviate relatively largely from its proper fitting position, the locking of the resin cover 26 is made not to be effected by the presence of half-fitting prevention projections 38. Namely, a position at an upper edge portion of a cover main body 41 which lies in the vicinity of a right-hand side corner thereof rides on the half-fitting prevention projection 38, as a result of which a locking portion 42 is prevented from being hooked on a locking projection 34, whereby the resin cover 26 is prevented from proper locking. Since the working person can easily understand that the resin cover 26 is being placed in a half-fitting position in the event that the resin cover 26 is prevented from proper locking, the resin cover 26 can be fitted on in a proper fitting position in the event that the working person replaces the resin cover 26 so as to correct the deviation thereof.