IEVref:395-07-19ID:
Language:enStatus: Standard
Term: scram
Synonym1: safety shutdown
[Preferred]
Synonym2:
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Definition: 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.


Publication date:2014-03
SourceISO 921:1997, definition 398, modified
Replaces:
Internal notes:2015-06-04: By agreement with TC 45, correction of the English definition in accordance with ISO 921:1997, definition 398. JGO
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