ROCKING DEVICE FOR ELECTRIC CIRCUIT AND PROTECTIVE UNIT WITH SUCH DEVICE Russian patent published in 2019 - IPC H01H73/00 

FIELD: electrical engineering.

SUBSTANCE: invention relates to an opening device intended for integration into an electrical circuit, comprising a device for protecting an electrical installation from lightning, wherein opening device (1) comprises a first conductive armature (7), electrically connected to first contact terminal (3) for connection to electric circuit, and second conductive armature (9) electrically connected to second contact terminal (5) for connection to electric circuit; at least one fusible element (11), arranged between first conductive anchor (7) and second conductive anchor (9) and electrically connected to first conductive anchor (7) and second conductive anchor (9), wherein at least one fusible element (11) is configured to melt when passing through current threshold current intensity after the threshold time period expiration; device (15) for increasing maximum arc voltage between the first conductive anchor (7) and the second conductive anchor (9) in case of melting of at least one fusible element (11).

EFFECT: technical result is resistance to impact electric loads.

10 cl, 3 dwg