Surge arrester circuit and housing therefor

Details Surge arrester circuit and housing therefor Surge arrester circuit and housing therefor

H - Electricity

02

H

H02H 3/26 (2006.01) H02H 3/04 (2006.01) H02H 9/04 (2006.01)

Patent

CA 2115340

The present invention provides a circuit for limiting voltage surges in load centers, panelboards and other electrical distribution devices. The circuit includes at least one high potential terminal adapted for connecting to at least one corresponding service line and a low potential terminal adapted for connecting to a low potential means. The circuit also includes a plurality of varistors connected in parallel to one another between each high potential terminal and the low potential terminal and a plurality of fuses corresponding in number to the plurality of varistors. Each fuse is connected in series to one of the varistors. Each fuse opens the circuit therethrough upon failure of the associated varistor. The circuit further includes monitoring the status condition of the fuses.

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