Timing Counting Function Voltage Relay Phase Sequence Protection

ApplicationsUsed in air conditioning units,elevator machine room,pumps,fans and other motor control applications,as protection of over-volltage.under voltage,phase failure,phase sequence and phase unbalance. When the power supply is abnormal,turn off power supply to protect the equipment. Features:Built-in microprocessors,true RMS voltage measurement,voltage measurement acduracy ≤1%.Measuring frequency 45Hz~64Hz,button setting,LCD display voltage and fault information,protection can be rurned on or off.Check phase voltage balue by button,with N-phase phase failureprotection,DIN rail mounting. Model DescriptionFunction Setting TableRated supply voltage(3-phase 3-wire) 220V~450V ACRated supply frequency50Hz/60HzPhase failure and phase sequence≤0.5sDelay error±10%+0.1sMeasurement accuracy1%, RMSData storage time10yearsMaximum counting capacity999999Maximum timing capacity9999h59mMaximum count frequency50HzAccumulated timing error≤1.001%Count input signalAC/DC 20V-450VContact configuration capacity(A)10AIP ClassIP20Class of pollution3Electrical Life105Mechanical life106Altitude≤2000mAllowable relative humidity≤50%(40ºC)(No condensation)Use categoryAC-15Short circuit protector type and maximum ratingNT00-6AContact capacityUe/le:240V/1.5A,415V/0.95AOutput type1C/O+1NCDIN rail Standardwidth 35mm(IEC/EN60715) Code TableTypecodeTechnical parameterSetting rangeFactory settingStep amountVoltagesettingF11Over-voltage action valueOFF-381V~500V437V1VF12Under-voltage action value260V~379V-OFF304V1VF13Over-voltage/Under-voltage hysteresis1~20V5V1VF14Unbalance action valueOFF-20V~80V321VTimesettingF15Unbalance hysteresis3V~15~5V1VFF21Over-voltage delay0.1~20S2s0.1SF22Under-voltage delay0.1~20S5s0.1SF23Unbalance delay0.1~20S2s0.1SF24delay0.3~30S2s0.1SF25Reset delay0.3~30S2s0.1SProtectionSettingF31Phase sequence protectionON-OFFON/F32Self-reset functionONON/Function settingF90Restore factory settingONOFF/F91Timing & counting clearedONOFF/ EndExit setup    Note: "ON" is protection available,  "OFF" is protection unavailable. Function diagram Dimensions(mm) Model significance:ZHRV2-45 LCD display voltage relay, with timing and counting function, rated voltage range:3-phase 3-wire 220V~450V.