toroidal transformers

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These kind of toroidal transformers are used in medical electronics, test and measurement systems, Industrial control panels, Data communications, Motor controls, Light fixtures, Audio systems, Robotics, Ups, and Avionics.

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


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%/PCg

a) Circular section available
b) Inherits and raises the excellency of the R - core
c) Core with half - circle curve bottom
d) Effectively reduces the leakage flux at their verge and reinforce the performance of the toroidal transformer
e) Made with silicon tape
f) Low non - load current, low noise, small size and better excitation performance

The certificate of our transformer has CE CQC RoHs UL
The above-mentioned toroidal transformer is frequently-used, we can also manufacture the products by customer design. And the specification is for reference, if has the change further, please take the material object as the standard.

For more detail,please contact my Email 

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Ms. Ellie
Tel: 86-020-86039861
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Guangzhou Yongxiang Electrical Appliance Factory
China (Mainland)
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