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SPAJ 110 C Earth-Fault Relay User Manual

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This document is a user manual and technical description for the SPAJ 110 C earth-fault relay, designed for selective earth-fault protection in solidly earthed or low-resistance earthed power systems. It details the relay's two protection stages (low-set I0> and high-set I0>>), configuration, operation, technical data, and application examples, including inverse-time and definite-time characteristics.

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