ABB REF615 F - Page 260

Tau
3840
1920
960
80 160 320 480 640
[s]
GUID-44A67C51-E35D-4335-BDBD-5CD0D3F41EF1 V1 EN
Figure 128: Trip curves at prior load 1 x FLC and p=100 %, Overload factor =
1.05.
Section 4 1YHT530004D05 D
Protection functions
254 615 series
Technical Manual