| multi-postion element the output variable of which may assume one of two discrete values SEE: Figure 19. Note 1 to entry: The change of the output variable can occur at a pair of switching values, that is at different values of the input variable depending on direction of change; the difference in these values is called the differential gap (see 351-50-25). Note 2 to entry: This entry was numbered 351-28-32 in IEC 60050-351:2006.
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