Invention Grant
- Patent Title: Protective device with automated self-test
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Application No.: US14684888Application Date: 2015-04-13
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Publication No.: US10012718B2Publication Date: 2018-07-03
- Inventor: Bruce F. Macbeth , David A. Finlay, Sr. , Jeffrey C. Richards
- Applicant: Pass & Seymour, Inc.
- Applicant Address: US NY Syracuse
- Assignee: PASS & SEYMOUR, INC.
- Current Assignee: PASS & SEYMOUR, INC.
- Current Assignee Address: US NY Syracuse
- Agency: Bond Schoeneck & King, PLLC
- Agent Frederick Price; George McGuire
- Main IPC: G01R35/00
- IPC: G01R35/00 ; G01R31/14 ; G01R31/327 ; G01R31/28 ; G01R31/02 ; H01H73/04 ; H01H71/04 ; H02H3/33

Abstract:
The present invention is directed to an electrical wiring device that includes a test circuit that is configured to generate a recurring simulated fault signal. A detection circuit is configured to generate a test detection signal in response to the recurring simulated fault signal. An end-of-life monitor circuit is configured to generate an end-of-life detection signal if the test detection signal is not generated within a first predetermined period of time. At least one indicator is configured to emit an indication signal in response to the end-of-life detection signal. A response mechanism is configured to decouple the plurality of line terminals from the plurality of load terminals after a second predetermined period of time has elapsed following the end-of-life detection signal.
Public/Granted literature
- US20150219740A1 PROTECTIVE DEVICE WITH AUTOMATED SELF-TEST Public/Granted day:2015-08-06
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