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SPAD 346 Stabilized Differential Relay Product Guide

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This document is a product guide for the ABB SPAD 346 stabilized differential relay, detailing its features and applications for protecting power transformers, generator-transformer units, and generators against winding short-circuits, interturn faults, and earth faults. It highlights integrated protection modules, numerical vector group matching, harmonic restraint functions, and advanced supervision capabilities for high system reliability.

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