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single phase 50Hz 60Hz low frequency power transformers 220v to 120v

single phase 50Hz 60Hz low frequency power transformers 220v to 120v

  • FOB Price:
  • US 2.00-20.00 /Set Get Latest Price
  • Order Quantity:
  • 1-50000 /Set Get Latest Price
  • Business:
  • distribution transformer,transformer substation,cutout fuse,Vacuum Circuit Breaker,power transformer
  • Export:
  • 31% - 40%
  • Volume:
  • Above US$100 Million
  • Address:
  • No. 8, Taishan Road, Daqiao Industrial Zone, Beibaixiang Town, Yueqing, Zhejiang, China (Mainland)

Product Detail

Quick Details
  • Place Of Origin:zhejiang China (mainland)
  • Brand Name:hd
  • Model Number:bk
  • Usage:power
  • Phase:single
  • Coil Structure:toroidal
  • Coil Number:autotransformer
  • Rated Voltage:<500v
  • Rated Capacity:5,10,20,30,50,63,80,100,125,200,250,315,400,500,800,1000, 2000,2500va
  • Frequency:50hz Or 60hz

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About us:   

       Our transformers sell well all over the world, and are exported to Ethiopia, Malaysia, Thailand, Kenya, Mozambique, Congo, Rwanda, Pakistan, South Africa and so on. We have won a good reputation among customers at home and abroad. We will do our best to provide more high-quality products and services for you in the future!


Trade Terms 

1.Payment: 1) 30% in advance, balanced 70% to be paid before dispatch.       2) L/C

2.Port of loading: Ningbo,Wenzhou or Shanghai Port

3.Discounts: offered based on order quantities 

4.Delivery time:10-30 days according to order quantities.


Why Us?

1. Quality assurance: All the products will go through lots of tests carefully before dispatch: Raw material check, Winding test, Assemble test, Painting check, Nameplate check and routine tests.

2. Competitive production capacity: monthly production more than 1500 sets

3. Manufactuer's price: Factory direct sale, most competitive price.


1. Technical Data   


Isolation Transformer  

Main features:

     BK transformer is a transformer 25VA~1KVA a rookie in , is a multi-expert in the innovative products, which used cold-rolled silicon steel sheet core magneticflux leakage of small ,empty small ,the internal resistance of copper with low power consumption, high efficiency. Good flame-retardant, usually used as a tool to control appliances,lighting city council, used the power indicator light.


Working condition
1.Ambient temperature:-15-+40
3.Relative humidity:<90%
4.Environnment exists with out gas,steam,chemical deposition,dust or dirt that will affect transformers insulation seriously,also explosive or corrosive medium is not allowed.
5.If any special working conditions that are not in line with the above stipulations,user shall negotiate with us,


Main technical characters
1.Input voltage:rated voltage ±10%
2.Output voltage:rated voltage +3%(no load)
4.Waveform distortion:no additional waveform distortion.

TypeRated capacity(VA)Uel rated Input Voltage(V)Rated output Voltage
BK3-10001000Distribution of capacity for different winding ma be according to the uses request.






2. Other Types of  Isoaltion transformers:  




3. Workshop:



4. Warehouse:  



5. Packing: 



6.  How to contact:  



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Company Details
  • Verified Supplier - Huadong Holding Group Co., Ltd.
  • Mode:Manufacturer, Trading Company
  • Areaname:China
  • Regcity:Yueqing
  • Size:501 - 1000 People
  • Regyear:2001
  • Fax:0086-577-89736535
company proudcts

this is part of the Low Frequency Power Transformer for sale