Title:
FAULT CIRCUIT INTERRUPTING DEVICE HAVING SYMMETRICAL INPUTS
Document Type and Number:
WIPO Patent Application WO/2010/059427
Kind Code:
A3
Abstract:
There is disclosed a circuit interrupting device with symmetrical inputs comprising a first input configured for connection to a power source or a load circuit and a second input configured for connection to a power source. There are a plurality of electrical conductors extending from the first and second inputs and a third input configured for connection to a load provided by a user. There is also a first set of transformers comprising at least one differential transformer and at least one neutral transformer connected to detect leakage current in a load circuit coupled to the first set of terminals. There is also a second set of transformers comprising at least one additional differential transformer and at least one additional neutral transformer connected to detect leakage current in a load circuit coupled to the second set of terminals
Inventors:
DISALVO NICHOLAS (US)
PORTER JAMES (US)
PORTER JAMES (US)
Application Number:
PCT/US2009/063255
Publication Date:
August 12, 2010
Filing Date:
November 04, 2009
Export Citation:
Assignee:
LEVITON MANUFACTURING CO (US)
DISALVO NICHOLAS (US)
PORTER JAMES (US)
DISALVO NICHOLAS (US)
PORTER JAMES (US)
International Classes:
H02H3/00; H02H9/08
Foreign References:
| US20080002313A1 | 2008-01-03 | |||
| US20070268635A1 | 2007-11-22 | |||
| US20060262468A1 | 2006-11-23 |
Attorney, Agent or Firm:
COLLARD, William et al. (Roslyn, New York, US)
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