Siemens SIPROTEC 7SJ80

[7sjx_logic_51-phase-schleife-aktiv, 1, en_US]
Figure 2-13
Logic diagram of the voltage-controlled inverse time overcurrent protection
Functions
2.2 Overcurrent Protection 50, 51, 50N, 51N
66 SIPROTEC 4, 7SJ80, Manual
E50417-G1140-C343-A8, Edition 12.2017