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Richard Sabol, 81119 Landell St, Rochester, PA 15074

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119 Landell St, Rochester, PA 15074   

Petersburg, VA   

Beaver, PA   

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Resumes

Richard Sabol Photo 37

Richard Sabol

Location:
United States
Richard Sabol Photo 38

Job Co-Ordinator At Swindell Dressler International Company

Location:
Greater Pittsburgh Area
Industry:
Mechanical or Industrial Engineering
Richard Sabol Photo 39

Richard Sabol

Location:
United States
Richard Sabol Photo 40

Richard Sabol

Location:
United States

Publications & IP owners

Us Patents

Apparatus For Detecting Arcing Faults And Ground Faults In Multiwire Branch Electric Power Circuits

US Patent:
6014297, Jan 11, 2000
Filed:
Mar 16, 1999
Appl. No.:
9/268850
Inventors:
Robert J. Clarey - Mt. Lebanon PA
Richard P. Sabol - Munhall PA
Robert Tracy Elms - Monroeville PA
Assignee:
Eaton Corporation - Cleveland OH
International Classification:
H02H 300
US Classification:
361 42
Abstract:
A multiwire branch circuit including two line conductors and a grounded, common neutral conductor is protected by a two pole circuit breaker connected to independently interrupt overcurrent conditions in the two ungrounded line conductors. Three separate protection circuits provide arc fault protection for each of the ungrounded line conductors and ground fault protection for all three conductors. The arc fault detectors use the bimetal of the thermal-magnetic trip device for the associated line conductor for current detection, and therefore, are individually referenced to the associated line voltage. Hence, the outputs of the arc fault detectors are electrically isolated from each other and from the output of the ground fault detector, but operate a common trip circuit to simultaneously open both poles of the two pole circuit breaker. The arc fault detectors have separate isolated power supplies. The ground fault detector is powered by a supply which is energized if either of the ungrounded line conductors is energized.

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