Protective Elements; 50P - Deft Overcurrent Protection - Eaton EDR 3000 Installation, Operation And Maintenance Manual

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Protective Elements

50P[1] ,50P[2] ,50P[3]

For each element the following characteristic is available:

DEFT (definite time).

t = Tripping delay

I = Fault current

Pickup = If the pickup value is exceeded, the module /element starts to time out to trip .

This element offers a criterion setting. The criterion setting tells if the threshold is based on the fundamental (Phasor)

For Tripping curves, please refer to the "Appendix/Instantaneous Current Curves (Phase)" section.

If using inrush blockings, the tripping delay of the current protection functions must be at

least 30 ms or more in order to prevent faulty trippings (applies only to devices which are

equipped with Inrush protection).

All overcurrent protective elements are identically structured.

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