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Siemens SIPROTEC 7SJ80 User Manual

Siemens SIPROTEC 7SJ80
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Switching Capability MAKE 1000 W / 1000 VA
Switching capability BREAK 40 W or 30 VA at L/R ≤ 40 ms
Switching voltage AC and DC 250 V
Admissible current per contact (continuous) 5 A
Permissible current per contact (close and hold) 30 A for 1 s (NO contact)
Interference supporession capacitor at the relay
outputs 2.2 nF, 250 V, ceramic
Frequency Impedance
50 Hz
1.4· 10
6
Ω ± 20 %
60 Hz
1.2· 10
6
Ω ± 20 %
Communication Interfaces
User Interface
Terminal Front side, non-isolated, USB type B socket for connecting a
personal computer
Operation from DIGSI V4.82 via USB 2.0 full speed
(PELV)
Operation with DIGSI
Transmission speed up to 12 Mbit/s max.
Bridgeable distance 5 m
Port A
Ethernet electrical for DIGSI or SICAM I/O Unit 7XV5673
Operation with DIGSI
Terminal Front case bottom, mounting location "A", RJ45 socket
100BaseT according to IEEE802.3
LED yellow: 10-/100 MBit/s (on/off)
LED green: connection/no connection (on/off)
Test voltage (PELV) 500 V; 50 Hz
Transmission speed 10/100 MBit/s
Bridgeable distance 20 m
Port B
IEC 60870-5-103 single
RS232/RS485/FO depending on the order
variant
Isolated interface for data transfer to a control center
RS232
Terminal Back case bottom, mounting location "B", 9- pin DSUB socket
Test voltage (PELV) 500 V; 50 Hz
Transmission speed min. 1,200 Bd, max. 115,000 Bd;
factory setting 9,600 Bd
Bridgeable distance 15 m
RS485
Terminal Back case bottom, mounting location "B", 9- pin DSUB socket
Test voltage (PELV) 500 V; 50 Hz
4.1.4
Technical Data
4.1 General Device Data
356 SIPROTEC 4, 7SJ80, Manual
E50417-G1140-C343-A8, Edition 12.2017

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Siemens SIPROTEC 7SJ80 Specifications

General IconGeneral
Rated Frequency50/60 Hz
Rated Current1 A / 5 A
Operating Temperature-25°C to +55°C
Storage Temperature-40°C to +70°C
Current Transformer Inputs4
ApplicationProtection of feeders, motors, transformers, and generators
Rated Voltage100-240 V AC/DC
Communication ProtocolsIEC 61850, Modbus, DNP3, IEC 60870-5-103
DisplayGraphical LCD
MountingFlush mounting
Protection FunctionsOvercurrent, Earth fault
Communication InterfacesEthernet, RS485
HousingPlastic
WeightApprox. 1.5 kg

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