Function Range or value AccuracyOperate level for non-directional overcurrent(1.00-400.00)% oflBase ±1.0% of Ir at I £ Ir± 1.0% of I at I > IrOperate level for non-directional residualovervoltage(1.00-200.00)% ofUBase ± 0.5% of Ur at U £ Ur± 0.5% of U at U > UrResidual release current for alldirectional modes(0.25-200.00)% oflBase ± 1.0% of Ir at I £ Ir± 1.0% of I at I > IrResidual release voltage forall directional modes(1.00-300.00)% ofUBase ± 0.5% of Ur at U £ Ur± 0.5% of U at U > UrOperate time for non-directional residualovercurrent at 0 to 2 x IsetMin = 40 msMax = 65 msReset time for non-directionalresidual overcurrent at 2 to 0 xIsetMin = 40 msMax = 65 msOperate time for directionalresidual overcurrent at 0 to 2 xIsetMin = 115 msMax = 165 msReset time for directionalresidual overcurrent at 2 to 0 xIsetMin = 25 msMax = 65 msIndependent time delay fornon-directional residualovervoltage at 0.8 to 1.2 xUset(0.000 – 60.000) sec ±0.2% or ± 80 ms whichever isgreaterIndependent time delay fornon-directional residualovercurrent at 0 to 2 x Iset(0.000 – 60.000) sec ±0.2% or ± 80 ms whichever isgreaterIndependent time delay fordirectional residualovercurrent at 0 to 2 x Iset(0.000 – 60.000) sec ±0.2% or ± 180 ms whichever isgreaterInverse characteristics 16 curve types See table 959, table 960 and table961Relay characteristic angleRCA(-179 to 180) degrees ± 2.0 degreesRelay Open angle ROA (0 to 90) degrees ± 2.0 degrees8.7 Thermal overload protection, two time constantsTRPTTRSection 8 1MRK502052-UEN BCurrent protection400Technical manual
