Multi-Function Control ETMFC610
http://www.entecene.co.kr
238
EN
HANCED
TEC
HNOLOGY
6) IEC Normally Inverse Curves
Figure 8-22. IEC Normally Inverse Curves
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PERCENT OF PICKUP CURRENT
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ec
on
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T
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RECLOSER CLEARING TIME CURVE
: IEC NORMALLY INVERSE
CURVES ARE AVERAGE CLEARING TIME
VARIATIONS
± 5%
OR 0.01 SECONDS
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