ABB RELION 620 Series Technical Manual page 357

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1MRS757644 F
620 series
Technical Manual
GUID-F3D1E6D3-86E9-4C0A-BD43-350003A07292 V1 EN
Figure 172:
Trip curves when no prior load and p=20...100 %. Overload factor =
1.05.
Protection functions
Tau
[s]
3840
1920
960
640
480
320
160
80
Section 4
351

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