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SPAE 010 and SPAE 011 High Impedance Differential Protection Relay Manual

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This document is a user's manual and technical description for the SPAE 010 and SPAE 011 high impedance differential protection relays, used for earth-fault protection of transformers, motors, and generators. It covers general features, area of application, operation principles, technical data, connection diagrams, and maintenance instructions.

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