Owner S & C Electric Co.

Inventors Fix, Thomas Chapman; Biallas, Kenneth James; Brasher, Eddie W.; Nelson, William Christian Tracy

Agent Spruson & Ferguson

Pub. Number AU-B-2003286462

PCT Number PCT/US2003/0330

PCT Pub. Number WO2004/040731

Priority 60/421,755 28.10.02 US; 60/474,349 30.05.03 US; 60/421,180 25.10.02 US; 60/474,130 29.05.03 US

Filing date 17 October 2003

Wipo publication date 25 May 2004

Acceptance publication date 23 October 2008

H02H 1/00 (2006.01) Details of emergency protective circuit arrangements

H02H 7/26 (2006.01) Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions - Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occurred

H02J 3/00 (2006.01) Circuit arrangements for ac mains or ac distribution networks

H02J 13/00 (2006.01) Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network