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    100A 3-phase Power Line Filter for EMI shielding

    100A 3-phase power line filter with dual stage features high performance in EMI/RFI shielding and widely used in packaging machines, compressors, drilling rigs, laser cutter, welding machines, elevators, motor drivers and so on.
    SKU: ATO460-100
    Free shipping
    Delivery date: 6-12 days

    100A power line filter, 3-phase dual-stage, provide EMI/RFI protection for the industrial equipment and tools with its effective interference attenuation.


    Basics Model ATO460-100
    Type 3-phase dual-stage
    Operating temperature -25℃~85℃
    Weight 7kg
    Installation Screw M8
    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℃) 100A
    Insulation Resistance(Line to ground) 200MΩ @ 500V DC for one minute
    Capacitance(CY) 220nF
    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) 21 24 50 48 50 52 44
    Differential mode (line to line) 35 60 75 76 75 78 73



    A: 260mm B: 286±2.5mm C: 314mm D: 140±1.0mm E: 175mm F: 107mm G: 8.8*14mm H: M8

    Electrical schematic

    3 phase 2 stage filter electrical schematic

    Tips: How to evaluate power filter performance?
    For EMI power line filter, rated voltage and current, pressure resistance performance, leakage current are most considered. The main evaluating performance is insertion loss.EMI power filter’s suppression capability for interference noise is evaluated by insertion loss.

    1. Standard test for insertion loss
      It is stipulated in standard measurement method, to test its insertion loss in the system with any resistance value among 50Ω~75Ω.
    2. Load test of insertion loss
      In EMI filter products, because of the unsuitable material used, it is not possible for common mode choke to guarantee fully symmetry, which would lead to saturation of magnetic rings. Meanwhile, parasitic differential mode inductor may possibly generate saturation of magnetic ring. This makes big difference between practical use and manufacturer offering data of the filter. Therefore, load test for filter is needed.
    3. EMI filter time domain test
      Normally, for EMI power filter, we only concern about its regular performance and frequency domain suppression performance. But for EMI signal linear filter, because transmission wire itself can generate some electromagnetic interference, test signal inevitably generates some attenuation. At the time, we have to do time domain transmission performance test.
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