fast emergency shutdown of a nuclear reactor to prevent or minimize a hazardous situation
Note 1 to entry: The scram is produced automatically by a dedicated circuit or manually by an action on a special button. Note 2 to entry: SCRAM is an acronym derived from “safety control rod axe man” in the first nuclear reactor CP-1 in Chicago 1942. Note 3 to entry: This entry was numbered 393-17-43 in IEC 60050-393:2003.
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