Mersen France Sb Sas

Gianfranco De Palma

Rémy Ouaida

The invention relates to a protective device () for an electrical circuit (), including a first fuse (), a pyroelectric switch () connected in parallel with the first fuse and comprising a control area (), capable of receiving a trigger signal (S), and a power area () for the passage of the electric current. The device also comprises a control circuit configured to produce and transmit the trigger signal to the control area. The device includes a second fuse connected in series between a first input conductor () and the first fuse and capable of supplying a power supply voltage (V) to the control circuit, which is connected between the second fuse and the control area.

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St. Barthelemy d'Anjou, France

Gianfranco De Palma