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SPAS 120 C Directional Earth-Fault Relay Product Guide

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This product guide describes the SPAS 120 C directional earth-fault relay, designed for selective feeder earth-fault protection in isolated neutral and impedance earthed distribution networks. It features two-stage directional earth-fault protection with configurable operation characteristics, remote control capability, digital display, and extensive data communication via a fibre-optic serial bus.

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