Invention Grant
US09455111B2 Method and structure for monitoring breaker status contacts on circuit breaker applications
有权
用于监控断路器应用的断路器状态触点的方法和结构
- Patent Title: Method and structure for monitoring breaker status contacts on circuit breaker applications
- Patent Title (中): 用于监控断路器应用的断路器状态触点的方法和结构
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Application No.: US14048075Application Date: 2013-10-08
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Publication No.: US09455111B2Publication Date: 2016-09-27
- Inventor: John C. Webb
- Applicant: ABB Inc.
- Applicant Address: US NC Cary
- Assignee: ABB Inc.
- Current Assignee: ABB Inc.
- Current Assignee Address: US NC Cary
- Agency: Manelli Selter PLLC
- Agent Edward J. Stemberger
- Main IPC: H01H85/32
- IPC: H01H85/32 ; G01R31/02 ; G01R31/07 ; H01H85/30 ; H01H71/12 ; H01H71/46 ; H01H73/14 ; H01H71/04
Abstract:
A trip control circuit for a circuit breaker which provides for self-diagnostics includes a normally opened trip contact, a tripping circuit, and a signal light in series with the tripping circuit and the trip contact. The trip control circuit also includes a flasher circuit constructed and arranged to provide signaling of an abnormal condition of a circuit breaker to the signal light, while permitting the circuit breaker to trip provided that a cause of the abnormal condition signaled is not one which prevents tripping of the circuit breaker.
Public/Granted literature
- US20140104068A1 Method And Structure For Monitoring Breaker Status Contacts On Circuit Breaker Applications Public/Granted day:2014-04-17
Information query
