Patent ID: 6175289
Filing Date: 2001-01-16
Classification: H01H

Abstract:
An electronic trip device comprising:a case;an electronic processing circuit located inside the case;means for determining tripping parameters said means comprising a removable module;means for fixing the removable module in a fixed position on a front panel of the case, whereby the removable module comes into contact with the processing circuit; andmeans having a connected position and a disconnected position, for connecting or disconnecting the processing circuit to power system conductors of a power system to be protected, said means for connecting or disconnecting comprising a movable part located inside the case and comprising flexible contacts which, in the connected position, form a contact between first contact points of a printed circuit, connected to the power system conductors, and second contact points of the printed circuit forming voltage inputs of the processing circuit, the means for connecting and disconnecting further comprising spring means urging the movable part to the disconnected position, the removable module, in the fixed position, urging the movable part to the connected position against the action of the spring means.