AQ-S254 Alarm Annunciator & I/O extension IED

The Alarm Annunciator AQ-S254, is a multi-purpose IED for extending alarm functionality and I/O capability on a distribution or transmission substation. AQ-S254 is a unique combination of alarm annunciator functionality, IEC 61850 communication including GOOSE and full EMC immunity according to IEC 60255 standard for robust substation installation.

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