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    20A EMI/RFI Power Line Filter, 3 phase

    EMI/RFI power line filter, three-phase single-stage, rated current 20A and rated voltage 440V AC. Low leakage current, compact design and excellenct attenuation performance.
    SKU: ATO-EMI-81G120
    Free Shipping Worldwide
    Delivery date: 6-12 days

    20A EMI/RFI power line filter is common use for 3-phase 3-wire power filter with excellent differential mode and common mode attenuation performance in industrial automation equipment.

    20A 3-Phase Filter Specification

    Model ATO-YX81G1-20A
    Filter Type Three Phase
    Configuration Single Stage
    Rated Current @ 40℃ 20A
    Rated Voltage 250V/440V AC
    Operating Frequency 50/60Hz
    Leakage Current ≤5mA @ 250V AC 50Hz
    Filter Range 150KHz-30MHz
    Hipot Rating (one minute) Line to Line 1450V DC
    Line to Ground 2250V DC
    Climatic Category 25/085/21
    Working Tempearte -25°C~+85°C
    Output Termainal Screw
    Dimension See below

    EMI Filter Dimensions

    6A 3-phase emi power line filter dimension

    Electrical Schematic

    Three phase emi filter electrical schematic

    Insertion Loss Table (in 50Ω system acccording to IEC/CISPR No.17)

    EMI power line filter insertion loss table

    Tips: Performance for using noise filter in power supply equipment

    1. Prevent outside electromagnetic noise from interfering control circuit working of power supply equipment.
    2. Prevent outside electromagnetic noise from interfering power supply loading.
    3. Restrain the EMI generating from power supply equipment itself.
    4. Restrain the EMI which is generated by other equipment and passes through the power supply.

    When switching power supply is working and electronic equipment is under switching on/off status, it may appear terminal noise at power supply equipment input end and generate radiation and conducting interference, which may also enter AC power grid and interfere other electronic equipment. Therefore, it should take effective measures to restrain. Electromagnetic shielding is the best way for restraining radiation interference of EMI noise. Using EMI filer is very effective measure for restraining conducting interference of EMI noise.

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