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    EMI/RFI Power Line Filter 30A, 3 phase

    5 out of 5 based on 2 reviews | Write a review
    30A EMI/RFI power line filter, 3 phase 3 wire, single stage, rated voltage 250V/440V AC, 50/60Hz, compact size and stud connection, stable performance and low price, best 3-phase EMI filter for the industrial equipment.
    SKU: ATO-EMI-1030
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    30A EMI/RFI power line filter is a desired noise filter to protect the 3-phase 3-wire equipment from the outside interference with excellent attenuation performance. It is suitable for 3-phase motor drive, UPS, packaging equipment, textile equipment, industrial air conditioners, and so on.


    Model ATO-MT710-30
    Filter Type EMI
    Configuration Single Stage
    Rated Current @ 40℃ 30A
    Rated Voltage 250V/440V AC
    Operating Frequency 50/60Hz
    Phase Three Phase Three Wire
    Leakage Current ≤10mA @ 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 Temperature -25°C~+85°C
    Output Termainal Threaded stud M6
    Weight 640g
    Dimension See below

    Dimensions (Unit: mm)

    30A EMI Line Filter Dimension

    Electrical Schematic

    Three phase emi filter electrical schematic

    Insertion Loss Table (in 50Ω system acccording to IEC/CISPR No.17)

    6A 10A 20A 30A Power Line Filter Insertion Loss Table

    40A 50A 100A EMI Line Filter Insertion Loss Table

    Tips: EMI line filter technical parameter - insertion loss

    The most important technical parameter of EMI line filter is the capability to restrain interference, normally referring to Insertion Loss. It’s the ratio between the powers transmitting from interference source to load before connecting filter and after connecting filter, and it uses dB as unit. EMI line filter insertion loss is relevant with network parameter of filter network and impedance of source end and load end. To avoid filtering useful signal, insertion loss should be specified carefully. No matter what EMC standard is in the military use or civil use, it has clear specification for equipment or sub system power line conducting interference level. The difference value between estimated or tested EMI conducting interference level and standard conducting interference level is the minimum insertion loss of requested EMI filter. Yet, it is impossible in actual project to do EMC test for different single equipment, then analyze its conducting interference characteristic, and design the filter satisfying with requirement. The suitable power line filter only needs to be selected according to actual status.

    Existing reviews of EMI/RFI Power Line Filter 30A, 3 phase
    Power line filter
    What is the operating frequency for your power line filter?
    From: Gabriel | Date: 14/04/2020
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Hi,  Gabriel. The  operating frequency of our filter is  50/60Hz.
    Good filter and works well.
    Good product. Bought one EMI line filter for a trial. I installed for 3D printer to cut down the noise from the power line and it does the job. Works well as expected, and I will buy more.
    From: Jerry W | Date: 31/10/2018
    Was this review helpful? Yes No (0/0)
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