Information

    Three-phase transformers auto refrigerated

     

    KVA Average noise level (dB) Average noise level (dB)
    Open Encapsulated
    0-9 40 45
    10-50 45 50
    51-150 50 55
    151-300 55 57
    301-500 60 59
    501-700 62 61
    701-1 000 64 63
    1 001-1 500 65 64
    1 501-2 000 66 65
    2 001-3 000 68 66
    3 001-4 000 70 68
    4 001-5 000 71 69
    5 001-6 000 72 70
    6 001-7 500 75 71
    7 501-10 000 79 72

    Open three-phase transformers refrigerated forced air

     

    KVA Average noise level (dB)
    0-1167 67
    1 168-1 667 68
    1 668-2 000 69
    2 001-3 333 71
    3 334-5 000 73
    5 001-6 667 73
    6 668- 8 333 75
    8 334-10 000 78

    Single-phase transformers self- refrigerated

     

    KVA Nivel de ruido promedio (dB) Nivel de ruido promedio (dB)
    Abiertos Encapsulados
    0-50 50 50
    51-167 55 55
    168-333 60 60
    500 64 63
    833 65 64
    1 256 68 66
    1 667 70 68
    2 500 71 70
    3 333 72 71
    5 000 73 72
    10 000 79 72

    Open single-phase transformers refrigerated forced air .

     

    KVA Nivel de ruido promedio (dB)
    0-50 67
    51-167 67
    168-333 67
    500 67
    833 68
    1 256 70
    1 667 71
    2 500 72
    3 333 74
    5 000 76
    10 000 78

    The data included in the tables are based on the Colombian technical standard NTC 5978.

    Industrias Electromecánicas Magnetrón S.A.S.
    Km 9 vía Pereira - Cartago
    PBX (6)3157100 FAX (6)3157110
    Pereira - Colombia

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