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REF542 Bay Control and Protection Unit Handbook

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This document is a comprehensive handbook for the ABB REF542 bay control and protection unit (SCU), covering its structure, function, technical data, configuration, installation, commissioning, operation, maintenance, troubleshooting, decommissioning, and storage. It is applicable from version V2C.02, as of July 1999, and is published by ABB Calor Emag Mittelspannung GmbH.

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