H - Electricity – 02 – H
Patent
H - Electricity
02
H
H02H 3/00 (2006.01) H01C 7/12 (2006.01) H01H 37/76 (2006.01) H05K 1/02 (2006.01) H05K 3/34 (2006.01)
Patent
CA 2381749
A surge protection device includes terminals adapted to receive a power source voltage and surge protection circuits, each of which includes a thermal fuse spring; one or more metal oxide varistors (MOVs), and one or more fuse traces corresponding to the MOVs. The thermal fuse spring, one of the fuse traces and the corresponding one of the MOVs are electrically interconnected in series between the terminals, in order to form a series electrical connection therebetween. The thermal fuse spring is adapted to disconnect the series electrical connection between the terminals under first fault conditions including a first current of first duration through one of the MOVs. The thermal fuse spring and each of the fuse traces are adapted to cooperatively disconnect a corresponding one of the series electrical connections between the terminals under second fault conditions including a second greater current of second lesser duration through one of the MOVs.
Bandura Mieczyslaw
Funke James
Ghanem Mahmoud
Ha Chi Thuong
Kladar Dalibor
Bereskin & Parr
Corporation Eaton
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