专利名称：Protection apparatus for an electrical load发明人：Jeffrey Alan Kilburn申请号：US11241095申请日：20050930公开号：US074925B2公开日：20090217
专利附图：
摘要：The trip unit of a circuit breaker provides overload protection for a contactorused to energize a load such as a motor while still providing conventional protection forthe wiring serving the motor. The trip unit of the circuit breaker eliminates the need for aseparate overload relay by generating a pre-trip signal that opens the contactor when
the circuit breaker It long delay function reaches a selected percentage, such as about85%, of the trip value.
申请人：Jeffrey Alan Kilburn
地址：Hartland WI US
国籍：US
代理机构：Fletcher Yoder
代理人：Alexander R. Kuszewski
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