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Siemens SIPROTEC 7SJ80 User Manual

Siemens SIPROTEC 7SJ80
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[7sj80_ueberlastschutz-061116, 1, en_US]
Figure 2-54
Logic diagram of the overload protection
Setting Notes
General
Overload protection is only in effect if address 142 49 is set to No ambient temp during configuration. If
this function is not required, select Disabled.
2.10.2
Functions
2.10 Thermal Overload Protection 49
SIPROTEC 4, 7SJ80, Manual 149
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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