IEVref:442-05-61ID:
Language:enStatus: Standard
Term: take-over current, <of two overcurrent protective devices>
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Symbol: IB
Definition: current coordinate of the intersection between the maximum break-time–current characteristics of two overcurrent protective devices

Note 1 to entry: The take-over current is a limiting value of current above which, in the presence of two overcurrent protective devices in series, the protective device generally, but not necessarily, on the supply side, provides back-up operation for the other protective device.

Note 2 to entry: I2t characteristics can be used instead of time–current characteristics.


Publication date:2019-05
SourceIEC 62873-2:2016, 3.6.2
Replaces:442-05-61:1998-11
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