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Explains how the overcurrent and earth-fault stages function and their characteristics.
Details setting ranges and operations for low-set and high-set overcurrent and earth-fault stages.
Step-by-step guide for manually setting the start current for the I> stage.
Describes how to perform a trip test to activate output signals and verify relay operation.
Step-by-step guide for forcing activation of output stages during a trip test.
Lists the key features of the combined overcurrent and earth-fault relay module.
Details the operation of the phase overcurrent unit, including low-set and high-set stages.
Explains the earth-fault unit and circuit breaker failure protection unit operations.
Lists all settable parameters, their ranges, and associated indicators.
Explains the definite and inverse time characteristics, including standard curves and formulas.
Lists specific technical data for overcurrent, earth-fault stages, and timing parameters.
Lists common fault codes, their meanings, and procedures for handling faults.