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    30A 3-phase EMI Line Filter for packaging machines

    3-phase dual-stage EMI filter, 30A rated current, 440V AC rated voltage, screw output terminals, compact design, effectively protect industrial machines and tools including packaging machines from noise interference.
    SKU: ATO-EMI-83G330
    Free shipping
    Delivery date: 6-12 days

    30A EMI line filter, 3-phase dual-stage, well-performs in EMI/RFI suppression with its excellent attenuation characteristics and is widely used in servo system, automation equipment and machine tool, such as 3 phase motor drives, printing equipment, packaging equipment, textile equipment, industrial air conditioners etc.

    30A 3-Phase Filter Specification

    Model ATO-YB83G3-30A
    Filter Type Three Phase
    Configuration Dual Stage
    Rated Current @ 40℃ 30A
    Rated Voltage 440V AC
    Operating Frequency 50/60Hz
    Leakage Current ≤10mA @ 250V AC 50Hz
    Hipot Rating (one minute) Line to Line 2100V DC
    Line to Ground 2700V DC
    Climatic Category 25/085/21
    Working Tempearte -25°C~+85°C
    Output Termainal Screw
    Dimension See below


    3-phase emi line filter dimension

    Electrical Schematic

    3-phase dual stage emi 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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