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    50A 3-phase EMI Line Filter, 2 Stage

    50A dual stage EMI line filter for 3-phase 3-wire power system, rated voltage 250V/440V AC 50Hz/60Hz, compact structure, easy to install and stud connection, excellent filtering performance in the range of 150KHz-30MHz.
    SKU: ATO-EMI-2050
    Free Shipping Worldwide
    Delivery date: 15-30 days

    50A EMI/RFI power line filter, 3-phase dual-stage, features high performance in interference suppression and it has a wide range of applications in the industry including printing equipment, packaging equipment, textile equipment, industrial air conditioners, UPS, motors, servo systems, communication equipment, variable frequency device, electric drives, etc.


    Model ATO-MT720-50
    Configuration Dual Stage
    Rated Current @ 40℃ 50A
    Rated Voltage 250/440V AC
    Operating Frequency 50/60Hz
    Phase Three Phase Three Wire
    Leakage Current ≤15mA @ 250V AC 50Hz 20℃
    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 Threaded stud
    Weight 1.6kg
    Dimension See below

    Dimensions (Unit: mm)

    50A 3-phase EMI Line Filter Dimension

    Electrical Schematic

    3-phase 2-stage Power Line Filter Electrical Schematic

    Tips: What is high pass filter?

    High pass filter is a system which make high frequency easily pass and prevent low frequency pass, mainly composed of capacitor, inductive and resistor. It removes the unnecessary low frequency part or low frequency interference in the signal. Its characteristic can be described by impulse response and frequency response in time domain or frequency domain.

    According to the used components, high pass filter can be divided into active high pass filter and passive high pass filter. Passive high pass filer is only composed of passive components, and its constitution is based on the principle that the reactance of capacitor and inductive element changes along with the frequency change as. Active high pass filter is composed of passive and active components. It easily makes high-stage filter mainly by using cascade connection, which has small size, light weight, no need of magnet shielding, but it is not suitable to use at high voltage, high frequency, high power field.

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