Harting Sbírka katalogů říjen 2013

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Vydal: HARTING s.r.o. Autor: HARTING

Strana 164 z 808

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For these cases, general rules cannot established and the limits must determined for each individual case. This curve takes into account variations specimens as well errors temperature measurements the measuring equipment.. . In many cases, the individual terminals can carry several times the derated current indicated the derating curve when less than % of the total complement used. 158 ____________________________________________________________ 0 fu3 <u2 tu\ Ambient temperature Fig. 4. recommended that the method described this standard used accordingly these cases.] basic curve (see figure 4.Corrected current-carrying capacity curve (derating curve) A corrected current-carrying capacity curve (derating curve), derived from the [. these factors result current- carrying capacity other than that which may expected due thermal limitations, then revised value shall apply.g. the size the wire and unequal distribution the loaded circuits.198: Example current-carrying capacity graph The derating factor justified because the current-carrying capacity may be limited further external factors, e. NOTE: practice, usually the case that all terminals are not loaded simultaneously with the maximum permissible current..197), shall specified the relevant detail specification