Siemens SIPROTEC 7SJ80 User Manual

[7sj6x-abhueberstromzeit-phase-20061212, 1, en_US]
Figure 2-10
Logic diagram of the inverse-time overcurrent protection element for phases
If an ANSI characteristic is configured, parameter 1209 51 TIME DIAL is used instead of parameter 1208 51
TIME DIAL.
If parameter MANUAL CLOSE is set to 51 instant. and manual close detection applies, the trip is initiated
as soon as the pickup conditions arrive, even if the element is blocked via a binary input.
The same applies to 79 AR 51N inst.
Functions
2.2 Overcurrent Protection 50, 51, 50N, 51N
SIPROTEC 4, 7SJ80, Manual 63
E50417-G1140-C343-A8, Edition 12.2017

Siemens SIPROTEC 7SJ80 Specifications

General

Rated Frequency	50/60 Hz
Rated Current	1 A / 5 A
Operating Temperature	-25°C to +55°C
Storage Temperature	-40°C to +70°C
Current Transformer Inputs	4
Application	Protection of feeders, motors, transformers, and generators
Rated Voltage	100-240 V AC/DC
Communication Protocols	IEC 61850, Modbus, DNP3, IEC 60870-5-103
Display	Graphical LCD
Mounting	Flush mounting
Protection Functions	Overcurrent, Earth fault
Communication Interfaces	Ethernet, RS485
Housing	Plastic
Weight	Approx. 1.5 kg