Siemens SIPROTEC 7SJ80 Product Information

23SIPROTEC 7SJ80 / 7SK80 V4.60, Product Information
E50417-K1150-C342-A6, Edition 07.2010
Connections to Ethernet
Two different connection modes per IEEE 802.3 are available:
 100Base-T (10/100 TX)
Electrical: RJ45 socket connector
 100Base-FL
Optical:Duplex-LC with optical connectors
Select only one of these facilities, you cannot use both at the same time.
The Ethernet interface on port A is only available in the version RJ45.
Figure 13 Ethernet connection – examples
For 100Base-T
Connector Type: RJ45 plug connector as per IEEE 802.3
Cables: CAT 5 (shielded twisted-pair)
For 100Base-FL
Fibre-optic plug type: Duplex-LC
Applicable fibre-type: multimode
G50 µm/125 µm
G62.5µm/125µm
Wave length: λ = approx. 1300 nm
Permissible bending radius: for indoor cables r
min
= 5 cm (2.0 in)
for outdoor cables r
min
= 20 cm (8.0 in)

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