Eaton EDR-5000 - Page 662

EDR-5000 IM02602007E
•81R – Rate of Change of Frequency (df/dt);
•81UR – Underfrequency and Rate of Change of Frequency (df/dt);
•81OR – Overfrequency and Rate of Change of Frequency (df/dt);
•81UΔR – Underfrequency and DF/DT (absolute frequency change per definite time interval);
•81OΔR – Overfrequency and DF/DT (absolute frequency change per definite time interval); and
•78V – Vector Surge.
www.eaton.com 662