Toroidal transformers

NAME:Toroidal transformers

• Product Description
• Toroidal Transformer
  This kind of toroidal transformer is widely apply to Electronic Control ,Cable TV & Digital TV ,HI-FI (Audio-Video) Equipment ,Medical Equipment ,New Electric Power Supply ,Electronic Meter & Apparatus .With their good price ,reliable Performance and Safety,High Efficiency,they sell well all over the world.
• Basic Data
  Capacity: 20VA-5000VA
  Phase: Single
  Input: AC Power with Voltages of Various Countries
  Output: AC Current,Voltage,According to Customers Requirements
  Frequency: 50-60Hz
  Voltage Regulation: 12%-3%
  Manufacture Standard: GB/T15290-94,GB/19212-2006,GB2828-2829-87
  Insulation Class: B,130 Celsius Degree; E,120 Celsius Degree
  Temperature-rise: ≤85 Celsius Degree
• Material
  Core: High quality cold grain silicon sheets inserted by machine,annealed by advanced vacuum annealing furnaces to improve electronic data
  Bobbin: Excellent Anti-combustion
  Wire Materials:
  1. Copper,Aluminum,Aluminum Clad Copper.
  2. The size of transformer total in Aluminum is larger than which total in Copper.
  3. Aluminum instead of Copper Cost Save: 13%-35%/PCgh
• Comparison on Transformer with Toroidal,EI,R,CD Shape Core
  Since 1995,we have been playing a leading role to replace the types of R,CD,EI with toroidal type for our customers from each part of the world.
  Core EI,R & CD Toroidal
  Dimension Not Adjustable Adjustable
  Performance Average Better
  Reliability Average Better
  Price Expensive 10%-30% Cost Saved
• Operating environment
  1)Temp.: The ambient temperature can not over +40 Degree Celsuis.
  2)Altitude: Mounting location can not exceed the altitude of 2000m
  3)Relative humidity: Maximum 90%
  4)The site not attack by rain and snow
  5)The medium which no explosion danger,no corroding metal,no electrical breakdown
• Testing Items:
  No-load Test(No-load Current,No-load Voltage,No-load Loss)
  Load Test (Load Voltage,Temperature-rise)
  Inductive Voltage Test
  DC Resistance Test
  Safety Test

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