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1VLG5 00007 E
Protection and control REX640
REX640 is a powerful all-in-one protection and control relay for use in advanced power distri-
butions and generation applications with unmatched flexibility available during the complete
life cycle of the device. The modular design of both hardware and software elements facili-
tates the coverage of any comprehensive protection application requirement that may arise
during the complete life cycle of the relay and substation.
One full IEC 61850-9-2 LE stream containing both voltages and currents can be sent. Receiv-
ing of up to four Sampled Measured Value (SMV) streams is supported with a total of maxi-
mum 16 channels. The channels are freely configurable with the possibility to engineer SMV
stream redundancy using the voltage and current switch functions with either another SMV
stream or local measurements.
Figure 16: Protection and control REX640
Summary of Contents for UniGear Digital
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