Siemens Overcurrent Protection 7SJ80

7SJ80 Functional scope No. Function Ref. to Chapter 103 Setting Group Change Option 1.3.3 104 Oscillographic Fault Records - 112 50/ 51 ( Charac. Phase) Overcurrent Protection 1.4.3 113 50N/ 51N ( Charac. Ground) Overcurrent Protection 1.4.3 115 67, 67-TOC Directional Overcurrent Protection 1.4.4 116 67N, 67N-TOC Directional Overcurrent Protection 1.4.4 117 Cold Load Pickup 1.3.3 122 2nd Harmonic Inrush Restraint - 127 50 1Ph Single Phase Overcurrent Protection - 130 ( sens.) Ground fault dir. characteristic 1.4.8 131 ( sensitive) Ground fault 1.4.8 140 46 Negative Sequence Protection 1.4.5 142 49 Thermal Overload Protection - 150 27, 59 Under/ Overvoltage Protection 1.4.7 154 81 Over/ Underfrequency Protection 1.4.6 161 25 Function group 1 Synchronism and Voltage Check - 170 50BF Breaker Failure Protection - 171 79 Auto-Reclose Function 1.4.2 172 52 Breaker Wear Monitoring - 180 Fault Locator - 181 Line Sections for Fault Locator - 182 74TC Trip Circuit Supervision 1.4.11 192 Capacitive voltage measurement - 617 Port B usage -