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    30A 3-phase EMI Line Filter for packaging machines

    It is a 3-phase dual-stage EMI filter, and designed to perform in the industrial environments with its effective noise suppression to protect the packaging machines and other industrial machines and tools.
    SKU: ATO460-30
    Free shipping
    Delivery date: 6-12 days

    30A power line filter, 3-phase dual-stage, with maximun voltage rating to 440V AC, well-performs in EMI/RFI suppression with its excellent attenuation characteristics.


    Basics Model ATO460-30
    Type 3-phase dual-stage
    Operating temperature -25℃~85℃
    Weight 1.5kg
    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℃) 30A
    Insulation Resistance(Line to ground) 200MΩ @ 500V DC for one minute
    Capacitance(CY) 47nF
    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) 7 19 50 70 58 55 51
    Differential mode (line to line) 25 40 75 80 69 70 51



    A: 150mm B: 168±1.5mm C: 186mm D: 85±0.5mm E: 108mm F: 60mm G: 6.4*9mm H: M6

    Electrical schematic

    3 phase 2 stage filter electrical schematic

    Tips: What are Butterworth, Chebyshev&Bessel filters?
    Butterworth filter’s characteristic is that, frequency response curve inside pass frequency band has maximum flattening without ripple, while it drops down to zero at stop band. In the Poter diagram of logarithmic diagonal frequency of amplitude, from one side angular frequency, amplitude will reduce according to angular frequency increase, tending to negative infinity. Butterworth filter frequency characteristic curve is monotonic function of frequency no matter in pass band or blocking band. Therefore, when the boundary of pass band meets the index requirement, it definitely has margin in pass band. Therefore, the more effective design method is, distributing accuracy evenly in the whole pass band or blocking band, or distributing between them at the same time. This can satisfy the requirement with low order system. This can be achieved by choosing approximating function with equal ripple characteristic.
    Bessel filter is a linear filter with the maximum flattening group delay (linear phase response). Bessel filter is usually used in audio flyover system. Analog Bessel filter is described as almost stretching over the whole pass band constant group delay; therefore it keeps the filtering signal wave form in pass band. Bessel filter has the flattest amplitude and phase response. Phase response of pass band is almost near linear. Bessel filter can be used to reduce the inherent non-linear phase distortion of all IIR filter.
    Chebyshev filter is a filter of frequency response to amplitude in equal ripple fluctuation in pass band or stop band. Amplitude characteristic in pass band is equal ripple. In stop band it is monotonous and called Chebyshev filter I. Amplitude characteristic in pass band is monotonous and in blocking band is equal ripple, which is called Chebyshev filter II. Using which type of Chebyshev filter depends on practical application.

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