Specifications

7SR242 Duobias Applications Guide
©2010 Siemens Protection Devices Limited Chapter 7 Page 27 of 56
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Current (x Is)
Operating Time (Seconds
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Current (x Is)
Operating Time (Seconds
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Figure 2-14 IEC NI Curve with Time Multiplier and Follow r DTL Applied e
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Current (x Is)
Operating Time (Seconds
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Figure 2-15 IEC NI Curve with Minimum Operate Time Setting Applied