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SPAC 531 C and SPAC 631 C Feeder Terminal User's Manual

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This document is a user's manual and technical description for the SPAC 531 C and SPAC 631 C feeder terminals, which are integrated protection and remote control interface units for cubicle-based substation applications. It details the terminals' protection functions (overcurrent, directional earth-fault), auto-reclosing, control, measurement, serial communication, and includes mounting drawings, connection diagrams, and technical data.

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