STARTST1L1ST1L2ST1L3TR1L1TR1L2TR1L3ST1TR1STARTST2L1ST2L2ST2L3TR2L1TR2L2TR2L3ST2TR2STARTTRIPComparatorUL1 > U1>ComparatorUL2 > U1>ComparatorUL3 > U1>MaxVoltSelectComparatorUL1 > U2>ComparatorUL2 > U2>ComparatorUL3 > U2>MaxVoltSelectStartt1t1Reset&TripOutputLogicStep 1Startt2t2Reset&TripOutputLogicStep 2Phase 3Phase 2Phase 1Phase 3Phase 2Phase 1Time integratortIreset2ResetTypeCrv2Voltage PhaseSelectorOpMode21 out of 32 out of 33 out of 3Time integratortIreset1ResetTypeCrv1Voltage PhaseSelectorOpMode11 out of 32 out of 33 out of 3UL1UL2UL3TRIPTRIPORORORORORORIEC05000013-2-en.vsdIEC05000013-WMF V2 EN-USFigure 118: Schematic design of Two step overvoltage protection OV2PTOV9.2.8 Technical data IP13013-1 v1M13304-1 v14Table 128:OV2PTOV technical dataFunction Range or value AccuracyOperate voltage, step 1 and 2 (1.0-200.0)% ofUBase ±0.5% of Ur at U ≤ Ur±0.5% of U at U > UrAbsolute hysteresis (0.0–50.0)% ofUBase ±0.5% of Ur at U ≤ Ur±0.5% of U at U > UrInverse time characteristics for steps 1and 2, see table 674- See table 674Table continues on next page1MRK 505 394-UEN A Section 9Voltage protectionLine differential protection RED650 2.2 IEC 253Technical manual
