Email:i-trade1@lnjldq.comLiaoning Jinli Electric Power Electrical Appliance Co.,Ltd

Liaoning Jinli Electric Power Electrical Appliance Co.,Ltd

Vacuum on-Load Tap Changers for Oil Immersed Transformer Switch off Circuit Tap Changer

Basic Info

  • Model NO.: OLTC

  • Connection Method: Y,D

  • Trademark: Jinli

  • Specification: IEC CE, ISO

  • HS Code: 8535900090

  • Transport Package: Wooden Cases

  • Origin: Liaoning

Product Description

Vacuum On-Load Tap Changers For Oil Immersed Transformers 



on load tap changer (herein referred as the tap changer) is of selector switch structure, which combines the functions of diverter and selector.
The tap changer is mounted to the transformer tank cover by its head.
When the tap changer is used without a change-over selector, the maximum operating positions available is 12 or others if with a change-over selector.
This operating instruction includes the necessary information for the installation and operation of following types of tap changer (with and without change-over selector)

Rated application conditions and requirement
1 The tap changer is used in oil, the temperature of the oil must not be higher than 100ºC or lower than -25ºC .
2 The environmental air temperature of the tap changer must not be higher than 40ºC or lower than -25ºC .
3 When installing the tap changer on the transformer the perpendicularity with the ground level must not be bigger than 2%.
4 Any serious dust, explosive or corrosive gases must not be present at the installation site of the OLTC.

Our Factory

 Liaoning Jinli Electric Power Electrical Appliance Co., Ltd covered 10000m2 area locates in Tongxing Industrial Park in Dandong. Industrial Park in the northwest of Dandong City, 16 kilometers away from the urban area, is key areas of industrial development and industrial agglomeration areas. There are unique geographical and transportation advantages – Big donggang port,  Dan-da high-speed, Dan-fu high-speed, Dan-tong high-speed and Langtou International Airport together form sea, land and air transport network. At present, the company's total investment is 150 million Yuan, the total numbers of employees are more than 200 people, and the annual output value is more than 70 million Yuan. Meanwhile, Jinli company makes the effort to create good working, study and living environment. We provide free of charge regular bus, free accommodation and working food to employee, establish a recreation room for a variety of leisure activities. Company has a modern office environment, advanced production equipment and a number of high-quality scientific and technical personnel, senior management personnel which lay a solid foundation for entering into the international stage.


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