7SJ531.-..A.2-..A.
NUMERIC. OVERCURRENT-TIME RELAY WITH CONTROL FUNCTIONS PROTECTION FUNCTIONS: TWO-STEP OVERCURRENT-TIME RELAY FOR PHASE AND EARTH, OVERLOAD PROTECTION, UNDERVOLTAGE/OVERVOLTAGE, RECLOSING LOCKOUT, TRIPPING CIRCUIT MONITORING, FAULT LOCATOR, HOURS-RUN METER, CIRCUIT-BREAKER FAILURE PROTEC. DIRECT. EARTH-FAULT DETERMINAT. SOFTWAREVERSION V3.2
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