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    • Stock Code: 601222.SH
    Products

    BS Three Phase


    SM350 Card Base Prepaid

    SM350 Card Base Prepaid


    LY-SM350 prepaid series are advanced AMI smart three phase prepaid electricity meters, with BS integrated keypad/Smart Card type and/or split keypad type options, they can be configured in Prepaid or Postpaid mode. Their unique feature of plug-and-play communication module creates the possibility of exchange and usage of variety of reliable wired & wireless communication interfaces, suitable for residential and small size C&I clients.

    LY-SM350 prepaid series meters are accurate at measuring & monitoring load and network parameters as well as anti-tampering functions, making them ideal for revenue collection and protection solutions. They are designed based on 20-bit Token based STS or CTS specifications, fully complying with DLMS/COSEM, IDIS standards and certified with DLMS, MID, IDIS, STS, and SABS certificates to guarantee their interoperability over AMI platform.

    Parameters

    SM350

    Operating Mode (Postpaid/Prepaid)

    Both

    Charging Mode

    Energy/Currency via Card

    Accuracy (active and reactive energy)

    Class 1 for Active (IEC62053-21)
    Class 2 for Reactive (IEC 62053-23)

    Connection Type

    3P4W

    Electrical

    Nominal Voltage

    3x220/380V, 3x230/400V, 3x240/415V ±30%

    Nominal Current

    5A, 10A,20A

    Max Current

    60A, 80A,100A

    Starting Current (% Ib)

    0.4% Ib

    Frequency

    50/60 Hz ± 1%

    Constant

    300, 1000 etc.

    Power Consumptioin (V,I)

    Voltage: 1W, 2VA
    Current: 1VA

    RTC

    ≤0.5s/d (IEC 62054-21)

    Relay

    120A, 250VAC, 100,000 times

    Communication

    Local Communication

    Optical Port, RS485, M-BUS

    CIU Communication

    PLC/RF/M-BUS

    Remote Communication

    PLC/RF/GPRS/2G/3G/4G/NB-IoT

    Environmental

    Temperature Range

    Operating: ( -40°C  to + 70°C
    Storage: -40°C to 85°C

    Relative Humidity

    ≤ 95%

    Mechanical

    IP Degree

    IP54

    Meter Case

    PC + 10% GF

    Terminal

    8.5mm, Brass

    Dimension, LWH (mm)

    285 x 173.5 x 93.5

    Weight (kg)

    Approx 1.7

    Functional

    Load Profile

    6720 entries, 30 channels (configurable interval 1 to 60 min)

    Billing Periods

    12 months

    Event Log

    500

    Load Management

    Power Thresholds, Over/Under Voltage (Configurable)

    Measuring Values

    kW, kvar, kWh, kVArh, kVA, V, I, F, PF

    Multi-Utility

    Gas/Water/Heat

    Tariffs

    4

    Anti-Tampering

    Magnetic Field, Bypass, Meter/Terminal Cover open, Reverse Energy, Missing Phase or/and Neutral

    Credit & Alarm LEDs

    Yes

    Emergency and Friendly Modes

    Yes (Configurable)

    Protocol & Standards

    IEC 62052-11, IEC 62053-21/23, EN 50470-1/3, IEC 62056, IEC 62055-31/41/51, etc

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