An apparatus for limiting an electrical current

Details An apparatus for limiting an electrical current An apparatus for limiting an electrical current

H - Electricity

02

H

H02H 3/04 (2006.01) H02H 9/02 (2006.01)

Patent

CA 2340406

The invention relates to an apparatus for limiting an electrical current by using a PTC resistor being monitored by a monitor circuit. According to the invention, the monitor circuit issues a signal only after detecting the status of the PTC resistor for a defined time period after a PTC resistance change.

L'invention concerne un dispositif de limitation de courant électrique au moyen d'une résistance PTC surveillée par un circuit de surveillance. Selon l'invention, le circuit de surveillance émet un signal uniquement après détection de l'état de la résistance PTC au cours d'une période définie consécutive à une modification de la résistance PTC.

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