ABB REF615 F - Page 259

Tau
3840
1920
960
640
480
320
160
80
[s]
GUID-F3D1E6D3-86E9-4C0A-BD43-350003A07292 V1 EN
Figure 127: Trip curves when no prior load and p=20...100 %. Overload factor
= 1.05.
1YHT530004D05 D Section 4
Protection functions
615 series 253
Technical Manual