H - Electricity – 01 – F
Patent
H - Electricity
01
F
336/3
H01F 38/30 (2006.01) H01F 19/00 (2006.01) H01F 27/02 (2006.01)
Patent
CA 1265217
ABSTRACT A current transformer is provided for the electronic trip unit of a molded case circuit breaker. The current transformer has a core with a winding encoiled about the core and a bus spiraled about the core. The spiral bus establishes a current path from one end of the bus to the other which will conduct current through the core in a spiral fashion. The spiral bus design effectively rotates the bus 90 degrees achieving a narrow transformer design which fits into the electronic trip unit without increasing the width of the trip unit.
510930
May William E.
Mckinney Ronald W.
Wells James S.
Barrigar & Moss
May William E.
Mckinney Ronald W.
Siemens Energy & Automation Inc.
Wells James S.
LandOfFree
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