Siemens SIPROTEC 7SJ80 User Manual

EPTR/TNP Times
Pickup Time Approx. 35 ms
Dropout time Approx. 45 ms
EPTR/TNP Dropout Setting
Dropout Setting
Approx. 0.95 for Ι
p
/Ι
N
> 0.005
EPTR/TNP Tolerance
Pickup/dropout thresholds Ιp Ι
Nom
= 1 A
3 % of setting value or 1 mA
Ι
Nom
= 5 A
3 % of setting value or 5 mA
Technical Data
4.14 Ground Fault Detection (Sensitive/Insensitive)
400 SIPROTEC 4, 7SJ80, Manual
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