Siemens SIPROTEC 4 7SD80 User Manual

[lo-ip-stufe-gerichtet-20101108, 1, en_US]
Figure 2-31
Logic diagram of the 67 TOC element (directional, inverse time overcurrent protection) -
example for IEC characteristic
Pickup Logic and Tripping Logic
The pickup signals of the individual phases (or ground) and of the individual elements are interlinked in such a
way that both the phase information and the element which has picked up are indicated (Table 2-2).
Functions
2.4 Backup overcurrent
SIPROTEC 4, 7SD80, Manual 81
E50417-G1100-C474-A2, Edition 02.2018

Siemens SIPROTEC 4 7SD80 Specifications

General

Brand	Siemens
Model	SIPROTEC 4 7SD80
Category	Power distribution unit
Language	English