Basler Electric BE1-51/27C - Manual (Page 17)

9137200998 Rev E 11
Functional Description
BE1-51/27C Time Overcurrent Relays are microprocessor-based devices that provide protection for the
phase or phase and neutral time and instantaneous overcurrent functions.
Block Diagram Analysis
The following block diagram analysis is referenced to Figure 3. A microprocessor (not illustrated in Figure
3) processes signals, performs logic functions, and all of the time overcurrent computations.
Figure 3. Functional Block Diagram
BE1-51/27C Functional Description