Toroidal autotransformers are ideal for reducing the voltage between the primary and secondary windings, making them ideal for applications that require reliable voltage regulation and power conversion. They are smaller, more efficient, and quieter than traditional transformers.
Why Choose ZHENGXI for Toroidal Transformers?
As a leading toroidal transformer manufacturer, ZHENGXI Electric is committed to producing high-quality transformers that meet the strictest international standards. Our toroidal auto transformers are known for their:
Efficiency: Toroidal transformers have lower core losses and reduced noise, making them more efficient than traditional transformers.
Space-Saving: The compact design allows for installation in tight spaces, ideal for applications with limited space.
Reliability: Toroidal auto transformers provide stable voltage output, reducing the risk of equipment damage due to voltage fluctuations.
Whether you need a 500VA toroidal transformer for small equipment or a 1000VA、2000VA toroidal transformer for larger industrial applications, ZHENGXI Electric is your trusted partner for reliable, high-performance solutions.
Technical Parameters
| Model NO. | JYK |
| Capacity | 0.5KVA 1KVA 2KVA |
| Overvoltage protection | Domestic version:Output 135V±5V Overseas Edition:Output 265V±5V |
| Undervoltage protection | Domestic version:Qutput 90V±5V Overseas Edition:Qutput 180V±5V |
| Power Factor | 0.9 |
| Response time | ≤1.5S |
| Insulation resistance | >50MQ |
| Waveform distortion | No additional waveform distortion |
| Ambient temperature | -10°C~+ 40°C |
Specifications
| MODEL | Input voltage | Output voltage | Measurement(mm) Length*Width*Height | |
| Domestic version | JYK-0.5KVA | 220V | 100V 110V | 190*242*760 |
| JYK-1KVA | 190*242*760 | |||
| JYK-2KVA | 190*242*760 | |||
| Overseas Edition | JYK-0.5KVA | 110V | 220V | 190*242*760 |
| JYK-1KVA | 190*242*760 | |||
| JYK-2KVA | 190*242*760 | |||
Details


Notes
Applicable to use 120V appliances in areas with 230V voltage, for example: use American appliances in Europe (230V), otherwise please use a step-up converter.
For appliance power, please refer to 1.25 times the transformer capacity, and it is recommended not to exceed 2400W.
Please confirm the power and voltage requirements of the appliance before purchasing to avoid overloading.





