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SACE PR020/K Signalling Unit Installation and Operation Manual

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This document provides installation, setup, and operational instructions for the ABB SACE PR020/K signalling unit, which connects to Isomax and Emax series protection units to indicate various events and operate internal relays. It covers technical characteristics, user interface, dip-switch settings, and specific configurations for use with PR112, PR113, PR212/P, and PR212/MP protection units.

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