ALP line protector
- Jiangsu Acrel Electrical Manufacturing Co.,LTD.

PRODUCTS

  • 1、Overview

    The ALP series of intelligent low-voltage line protectors are suitable for low-voltage systems with rated voltage up to 400V AC, rated current up to AC 6300A and rated frequency 50/60Hz. Product set protection, measurement, control, bus communication as one, while providing remote automatic control, on-site direct control, panel indication, signal alarm, operation record, trip alarm record and switch quantity record

     

    2、Model Description

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    Table 1 Function code

    Function codeFunction Description
    200Embedded installation
    220Embedded installation
    320Rail mounting

     

    Table 2 Rated current

    Protector current specificationTunable current range(A)
    11-6300(Ratio can be set)
    51-6300(Ratio can be set)
    256-25
    10020-100
    16080-160
    400140-400

     

    Table 3 Additional features

    Additional featuresCode
    Residual current(Leakage)L
    4-20mA analog outputM

    Note:1、When the leakage protection L is selected as an additional function, you need to purchase a zero-sequence transformer with different apertures according to the actual current.




  • 3、Technical indicators

      modelTechnical indicatorsALP200ALP220ALP320
    Protector auxiliary power supplyAC 85V~265V/DC 110V~350,power consumption7VA
    Line rated working voltageAC220V / 380V,50Hz / 60Hz
    Protector rated operating current1 (1A-6300A)Small dedicated current transformer detection module
    5 (1A-6300A)
    25(6A-25A)
    100(20A-100A)
    160(80A-160A)External current transformer detection module
    400(140A-400A)
    Relay output contact capacityResistive loadALP200、ALP220:1(95.96.97):AC:250V 3A;DC:30V 3A3:AC:250V 5A;DC:30V 5A
    ALP320:5 relay output AC:250V 8A
    SurroundingsOperating temperature-10ºC~55ºC
    Storage temperature-25ºC~70ºC
    Relative humidity≤95﹪no condensation, no corrosive gases
    Altitude ≤2000m
    Pollution level3
    Protection levelALP200:IP20ALP220:IP20ALP320:Main body IP20, display module IP54 (when installed in the cabinet panel)
    Installation categoryIII级

     

    4、Product Features

    Description: “√” means Standard “■” means optional

                       ModelFunctionALP200ALP220ALP320
    Application0.4kV feeder
    Switching acquisition559
    Relay output445
    Measurement functionIU、I、P、PF、F、kWhU、I、P、PF、F、kWh
              Protective functionInverse time overcurrent protection
    Low timing limit overcurrent protection
    High time limit overcurrent protection
    Low timing zero sequence protection
    High timing zero sequence protection
    Inverse time zero sequence protection
    Phase failure protection
    Unbalance protection
    Current demand protection
    Linkage 1 protection
    Linkage 2 protection
    Linkage 3 protection
    Undervoltage protection
    Overvoltage protection
    Residual current protection
    Low voltage protection


    Low voltage two-stage protection


    Low voltage three-stage protection


    Zero sequence overvoltage protection


    Voltage imbalance protection


    PT disconnection protection


    Car position protection


    AlarmOverloaded I segment alarm


    Overload II alarm


    CommunicationModbus-RTU
    Accessibility1 way 4-20mA analog output
    record8 fault records
    8 trip records
    8 closing records
    8 DI action records
    Protection setting query
    Protection setting

    Note:MAXU: maximum line voltage; U0: ground voltage; F: frequency; εu: voltage unbalance rate.