3UF5 SIMOCODE-DP System Motor Protection and Control Device

The 3UF50 Basic UnitSettingsThe following table contains a description of the settings.Designation Range CommentsSet Current Is1 1.25 A to 820 A Set Current 1.Range depends onversion*Set Current Is2 1.25 A to 820 A Set Current 2. Rangedepends on version.Only for "Fast" operatingmode when Dahlander /Pole Changing Starter isused, otherwise 0.Tripping class / Class 5, 10, 15, 20, 25, 30Behaviour in the eventof overloadShutdownWarningCooling Time 0.5 s to 60 min At least 5 min.,even when lower valuesare set. Example:Cooling Time:6 min required; time tobe set: 6 minIdle TimeSingle-phase motor0.5 s to 60 minNoYesOnly one conductingpath may be connectedthrough/to the first currenttransformer. InternalEarth FaultDetection has to bedeactivated.Table 4: Description of the settings for current-dependent motor protectionThe parameters are summarized in the parameter table (Appendix A.2).* With Star Delta Starter:I s 1 = I n------1 3Example: motor with I n =100 A. I s 1 = 57.7 A.GWA 4NEB 631 4286-02a 2-15