发明名称 AMPERE SECOND RELAY
摘要 CW-1107 A system for indicating when a predetermined number of ampere seconds have been applied to an energy sensitive electrical device over a some predetermined time period. The system may also indicate when the current applied has exceeded a reference value and prevent integration of the ampere seconds quantity unless the current applied has exceeded the reference value in a preceding predetermined time period.
申请公布号 CA1298351(C) 申请公布日期 1992.03.31
申请号 CA19860506764 申请日期 1986.04.16
申请人 CROCKETT, JOHN M. 发明人 CROCKETT, JOHN M.
分类号 H02H3/093 主分类号 H02H3/093
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