The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 30, 2002
Filed:
Apr. 28, 2000
Robert Henry Clunn, Richardson, TX (US);
Other;
Abstract
There is disclosed and claimed herein apparatus and a method for testing an electronic circuit breaker having separable contacts and arc fault and/or ground fault interrupting capability responsive to differential currents in the line and neutral conductors, wherein the circuit breaker under test is connected in a test circuit, comprising the steps of: supplying operating power to the source terminals of the circuit breaker wherein the test circuit provides for connecting the neutral conductor source terminal to a ground in the test circuit; coupling testing signals from a test generator in the test circuit to the neutral conductor load terminal of the circuit breaker; and monitoring the condition of the separable contacts in the circuit breaker during the supply of testing signals to the neutral conductor load terminal. In one aspect, the test generator is operated under program control to provide a testing signal sequence to the neutral conductor load terminal of the circuit breaker, which sequence may include a command signal for setting a precondition in the circuit breaker prior to applying testing signals to the circuit breaker under test.