Siemens SIPROTEC 7SJ80 User Manual

For the power consumption of the resistance:
[formel-leistungvon-r-260602-kn, 1, en_US]
Example
Ι
BI (HIGH)
0.4 mA (SIPROTEC 4 7SJ80)
V
BI min
19 V at delivery setting for nominal voltages of 24 V/ 48 V;
88 V at delivery setting for nominal voltages of 60 V/ 110 V/ 125 V/ 220 V/ 250 V
V
CTR
110 V (from the system / trip circuit)
R
CBTC
500 Ω (from the system / trip circuit)
V
CBTC (LOW)
2 V (from the system / trip circuit)
[fo_r-max-bsp, 1, en_US]
[beispiel-rmin-20061211, 1, en_US]
[fo_r-mittelwertbsp, 1, en_US]
[fo_leistung-r, 1, en_US]
Hardware Modifications
Disassembly
Work on the Printed Circuit Boards
i
i
NOTE
Before carrying out the following steps, make sure that the device is not operative.
i
i
NOTE
Apart from the communication modules and the fuse, there are no further components that can be config-
ured or operated by the user inside the device. Any service activities exceeding the installation or exchange
of communication modules must only be carried out by Siemens personnel
For preparing the workplace, a pad suitable for electrostatic sensitive devices (ESD) is required.
Additionally, the following tools are required:
•
a screwdriver with a 5 mm to 6 mm (0.20 – 0.24 in) wide blade,
•
a Philips screwdriver size 1,
•
a 5 mm (0.20 in) socket or nut driver
3.1.2
3.1.2.1
Mounting and Commissioning
3.1 Mounting and Connections
SIPROTEC 4, 7SJ80, Manual 315
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