Eaton EDR 3000, Installation, Operation And Maintenance Manual

Page: 688 / 770

EDR-3000 IM02602003E
Time Current Curves (PHASE)
The following characteristics are available:
NINV (IEC/
XInv
);
VINV (IEC/
XInv
);
LINV (IEC/
XInv
);
EINV (IEC/
XInv
);
MINV (ANSI/
XInv
);
VINV (ANSI/
XInv
);
EINV (ANSI/
XInv
);
Thermal Flat;
Therm Flat IT;
Therm Flat I2T; and
Therm Flat I4T.
Explanation:
www.eaton.com 676
t = Tripping delay
t-multiplier = Time multiplier/tripping characteristic factor . The setting range
depends on the selected tripping curve.
I = Fault current
Pickup = If the pickup value is exceeded, the module/element starts to time out to trip .