Electrical measuring instruments >> transformers industrial >> voltage transformers >> single-phase voltage transformer


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    Do not ground the voltage transformer NOL.12-0,69 (NOL120, 69, NOL.12 0.69, NOL-12-0, 69,  NOL 12 0.69, NOL12-0,69, NOL12 0.69)
    Do not ground the voltage transformer NOL.12-0,69 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 do not ground the voltage transformer NOL.12-0, 69:
    Voltage Class - 0,66;
    Maximum operating voltage of the device voltage transformer NOL.12-0, 69 - 0,72 kW;
    Rated voltage of the primary winding - 690V;
    Rated secondary voltage instrument transformer voltage NOL.12-0, 69 - 127V;
    Accuracy classes of primary secondary - 1;
    Rated output transformer napryazheniyaNOL.12-0, 69 in class 1 - 30V · A;
    Extreme power is class precision - 80V · A;
    The error voltage at full power - no more than 4%;
    Power factor active-inductive load - 0.8;
    Scheme and winding connection group  instrument voltage transformer NOL.12-0, 69 - 1/1-0;
    Rated frequency - 50 Hz;
    General view of the device shown in Figure 1;

    Figure 1: General view of the instrument do not ground the voltage transformer NOL.12-0, 69

Общий вид прибора незаземляемый трансформатор напряжения НОЛ.12-0,69

    Dimensions and weight of the instrument voltage transformer  NOL.12-0, 69 are listed in Table 1;

    Table 1: Dimensions and weight do not ground the voltage transformer NOL.12-0, 69

4.8 kg
    The transformers are manufactured in climatic design "OM" 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 -40 ° C to +50 ° C;
    - Relative humidity - 98% at 35 º C;
    - Environment-explosive, without dust, corrosive gases and vapors in concentrations destroying coating metals and insulation;
    - Working position - any;
    - Internal insulation voltage transformer NOL.12-0, 69 cast, heat resistance class "B" and flammability class FH (PG) 1;
    - Appliances intended to be sold in AS, with class security for 3H-001 NP-97 and 2 seismic category for NP-031-01;
    - 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 voltage transformer NOL.12-0, 69 meet the requirements of resistance to electromagnetic interference when exposed to a 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 do not ground the voltage transformer NOL.12-0, 69 technical requirements specifications provided the customer terms and conditions of storage, transportation, installation, operation, and its specified operational documentation.

Photos NOL.12-0,69

Do not ground the transformer voltage NOL.12-0,69.
Do not ground the transformer voltage NOL.12-0,69.

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