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    EMI Line Filter, 50A, 3 phase

    3-phase single-stage EMI line filter, with rated current 50A, maximun voltage rating to 440V AC, easy mounting and compact structure, has a wide range of applications such as variable speed drives, servo drives, inverters and variable frequency system.
    SKU: ATO360-50
    Free shipping
    Delivery date: 6-12 days

    50A EMI line filter in 50/60Hz operating frequency well-performs in the differential mode and common mode attenuation and provide effective shielding for noise generated externally and internally.


    Basics Model ATO360-50
    Type 3-phase single-stage
    Operating temperature -25℃~85℃
    Weight 1kg
    Installation Screw M6
    Technical parameters Rated voltage(Max) 440V AC
    Operating frequency 50/60Hz
    Hipot rating(one minute) Line to line 2250V DC
    Line to ground 2700V DC
    Rated current(@ 40℃) 50A
    Leakage current(Line to ground) ≤1mA @ 250V AC 50Hz
    Insulation Resistance(Line to ground) 200MΩ @ 500V DC for one minute
    Inductance L 0.36mH
    Capacitance CX 0.47μF
    CY 10nF
    Resistance R 0.47 MΩ
    Insertion loss in dB (measured in 50Ω system)
    Frequency(MHz) 0.1 0.15 0.5 1 5 10 30
    Common mode(line to ground) 10 12 35 35 48 42 40
    Differential mode (line to line) 14 28 48 49 55 63 56


    dimensions 50a

    Electrical schematic

    electrical schematic

    Tips: EMI filter- common mode performance
    Common mode filtering performance of EMI filter which is used for electrical equipment power is usually restricted by common mode capacitor. Capacitor means the bridge joint capacitor between phase wire or middle wire and safety ground. Grounding current mainly means the current flows through common mode capacitor, and the current flowing through capacitor is decided by power voltage, power frequency and capacitor value. Since leakage current amount is very important to personal safety, different countries have strict stipulation for grounding leakage current of different electrical equipment. If the rule for maximum leakage current is made, then it needs to figure out maximum allowable grounding capacitor value. Besides, the capacitor is required to have enough margins for electronic and mechanical safety, to avoid puncture and short circuit under extremely harsh condition. Because this kind of capacitor should be connected to safe grounding and the equipment housing should be connected to safe grounding, this capacitor pressure resistance performance is very important to protect personal safety. Once equipment or device insulation loses effect, it may endanger personal safety.

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