Issue:
ATS48 undercurrent trip

Product Line:
ATS48

Environment:
All

Cause:
Undercurrent protection

Resolution:
Yes. See parameters ULL, LUL, and TUL in the PRO menu.

ULL: Activation of motor underload.
ALA= an alarm for programming LO1, LO2 or R3 as AUL.
def= the soft starter will trigger an ULF fault on the display.
Off= no protection
LUL: Motor underload threshold in percent of motor torque in percent.
TUL: Motor underload time in seconds.

Publicerad för: Schneider Electric Sverige