An improved electronic earth leakage current device

Details for Australian Patent Application No. 2008202541 (hide)

Owner ABB Service S.R.L.

Inventors Schwarz, Willy; Patruno, Walter; Beniston, John Samuel; Brandonisio, Salvatore; Antonello, Paolo

Agent Griffith Hack

Pub. Number AU-B-2008202541

Parent 2005202088

Filing date 6 June 2008

Wipo publication date 3 July 2008

Acceptance publication date 22 January 2009

International Classifications

H02H 3/32 (2006.01) Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection - involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors

G01R 19/165 (2006.01) Arrangements for measuring currents or voltages or for indicating presence or sign thereof - Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values

Event Publications

26 June 2008 Complete Application Filed

3 July 2008 Application Open to Public Inspection

  Published as AU-B-2008202541

22 January 2009 Application Accepted

  Published as AU-B-2008202541

21 May 2009 Standard Patent Sealed

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