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Electrical measuring instruments >> transformers industrial (KTPVSh, TA, TN, T-0,66, TSh-0,66, TP, TPP and others) >> voltage transformers >> single-phase voltage transformer


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    Nezazemlyaemy voltage transformer NOL-6 (NOL6, NOL 6, NOL-6 UHL1)
    Nezazemlyaemy voltage transformer NOL-6 is designed for use in electrical circuits, AC 50Hz signal to transfer measurement data measurement devices, protection, automation, alarm and control.
    Avoid prolonged operation of transformers, as power, that is, outside the guaranteed accuracy class, with a load does not exceed the capacity.
    Technical characteristics of the instrument voltage transformers nezazemlyaemye NOL-6:
    Voltage Class - 6 kV;
    Maximum operating voltage of the device voltage transformer nezazemlyaemy NOL-6 - 7.2 kV;
    Rated voltage of the primary winding - 6 000V, 6300V, 6600V, 6900V;
    Rated secondary voltage instrument transformer voltage nezazemlyaemy NOL-6 - 100 V or 11 0V;
    Accuracy classes of primary secondary - 0.2, 0.5, 1, 3;
    Rated power of main secondary winding voltage transformer unit nezazemlyaemy NOL-6 NF1 power factor active-inductive load 0.8:
    - In accuracy class 0.2 - 10 V · A, 15 V · A · A 25V, 30V · A;
    - In accuracy class 0.5 - 50V · A;
    - In class 1 - 75V · A;
    - In accuracy class 3 - 200 V · A;
    Maximum power is outside the class of accuracy - 400 · A;
    Maximum permissible continuous primary current - 0.11 A;
    Scheme and winding connection group nezazemlyaemy instrument voltage transformer NOL-6 - 1/1-0;
    Rated frequency - 50 Hz;
    Creepage distance - at least 35 cm;
    General view of the device shown in Figure 1;
    Figure 1: General view of the instrument voltage transformer nezazemlyaemy NOL-6

Общий вид прибора незаземляемый трансформатор напряжения НОЛ-6

    Unit weight nezazemlyaemy voltage transformer NOL-6 - 37kg;
    The transformers are manufactured in climatic design "Y" and are intended for indoor use in:
    - Height above sea level is not more than 1000m;
    - Ambient temperature with the heat the air inside the switchgear - from -60 ° C to +55 ° C;
    - Relative humidity - 100% at 25 º C;
    - Environment-explosive, without dust, corrosive gases and vapors in concentrations destroying coating metals and insulation;
    - Working position - any;
    - Internal insulation voltage transformer unit nezazemlyaemy NOL-6 NF1 cast, heat resistance class "B" and flammability class FH (PG) 1;
    - Transformers are designed for total mechanical stress from wind speed 40m / s, ice wall thickness of 20mm and ice wires tension of at least 500N (50kgs)
    - Instruments earthquake resistant when exposed to earthquake intensity of 9 points on the MSK-64 at the facility level above ground level up to 70m;
    - Instruments nezazemlyaemy voltage transformer NOL-6 compliant immunity to electromagnetic interference to influence the magnetic field of industrial frequency;
    - Devices conform to standards of industrial radio Class A, Group 1;
    The manufacturer guarantees that the quality of the instrument voltage transformer nezazemlyaemy NOL-6 technical requirements specifications provided the customer terms and conditions of storage, transportation, installation, operation, and its specified operational documentation.

Photos NOL-6

Do not ground the transformer voltage NOL-6.
Do not ground the transformer voltage NOL-6.