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ABB REF 542plus User Manual

ABB REF 542plus
134 pages
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ABB REF 542plus Specifications

General IconGeneral
CategoryControl Unit
Frequency50/60 Hz
DisplayLCD
Communication ProtocolsIEC 61850, Modbus, DNP3
InputsDigital and Analog
OutputsRelay Outputs
Power Supply24-48 V DC / 100-240 V AC
Protection FunctionsOvercurrent, Earth Fault
Protection DegreeIP20
Storage Temperature-40°C to +70°C
Humidity5 to 95 % non-condensing

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