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    DDG Single-Phase

    Product Profile:

    DDG series single-phase dry-type transformer is widely used in AC 50, 60hz, all kinds of input and output, voltage level, connection group, adjust tapping position, distribution of winding capacity, secondary winding equipment, whether with shell, etc., are carefully designed and manufactured based on the requirements of users, particularly suitable for imported equipment use specifications, capacity:500VA to 320KVA voltage:0-660V. 

    Operational environment:

    1.The installation site shall not have any serious effects of gas steam, the chemical deposition of transformer insulation, dust, dirt and other explosive and corrosive medium.

    2.The relative humidity of the atmosphere is not more than 50% when the ambient air temperature is +40℃, at lower temperatures, higher relative humidity can be obtained,the monthly maximum humidity of the wettest month is 90%, at the same time, the average minimum temperature in the month is 25 ℃, taking into account the condensation occurring on the surface of the product due to temperature changes.

    3.Those which do not meet the above provisions of the special conditions of use, should be negotiated by the use unit and our company.

    Performance parameter:

    1. Nominal capacity:50VA~320KVA                                                                             


    2. Connection group:Iio 

    3. 绝缘耐热等级:B.F.H级

    4.Protection grade:IP00 


    6. 6.Use altitude:≤2000m 

    7. Insulation resistance:>100MΩ                                                                                                                                                                          

    8. 8.Withstand voltage:No arcing breakdown in AC 2500V /50HZ/5mA/60s

    9. 9.Temperature rise limit:The core is no more than 60K.The core is no more than 60K.

    10. 10.Operational environment:-10~﹢45℃Relative humidity:Long term work in<90% environment                                                                     

    11. Product execution standards:GB10229-88, JB9644-1999 electrical transformers.

    Model implication:

    DDG Single-Phase Dry-Type Transformer

    Single-phase dry-type transformer parameters:

    DDG Single-Phase Dry-Type Transformer

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