Electrical power breaker switch has a built in control unit and mechanism that operates to release spring force to provide opening of switch contacts

摘要

The electrical power breaker switch has a pair of connections [11,12] that connect with electrical elements [17,18] that are set by a manual actuator lever [20] and are releases by a control unit [4]. The control unit has a lever [50] that engages in a recess in an element [30] that retains the lever. When operated spring force causes the contacts to open.