What is a Toroidal Auto Transformer?
A Toroidal Auto Transformer is a type of transformer with a toroidal (donut-shaped) core that allows for highly efficient energy transfer. Unlike conventional transformers, toroidal transformers are known for their reduced electromagnetic interference, lower noise levels, and better space optimization.
A Toroidal Power Transformer provides voltage conversion from one level to another, allowing devices designed for one voltage to operate efficiently with a different voltage. The auto transformer design minimizes the weight and size, making it ideal for limited spaces without compromising on performance.
Why Choose ZHENGXI Electric for Toroidal Auto Transformers?
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Customization: We provide custom-made toroidal transformers that are built to suit your exact voltage and power specifications, ensuring seamless performance in your applications.
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Quality Manufacturing: All our transformers are manufactured to meet international quality standards, ensuring durability, reliability, and high efficiency.
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Expert Support: With decades of experience, we provide expert advice and technical support to help you select the right transformer for your needs.
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Competitive Pricing: Our Toroidal Power Transformers offer premium quality at competitive prices, ensuring the best value for your investment.
| Descrioption | Toroidal transformel | Rated current | 83A |
| Power | 100OVA | Electric strengt | Voltage with stand 2500V |
| Frequency | 50Hz/60Hz | Input wire | L:Blue N:Red |
| Input voltage | AC220V | Output wire | L:Green N:Yellow |
| Output voltag | AC12V | Weight | 7.05KgS |
| Power VA | Dimension mm | Weight | |
| Height | Diameter | Kgs | |
| 50-100 | |||
| 150 | 55 | 107 | 4.1 |
| 200 | 57 | 108 | 4.9 |
| 250 | 67 | 107 | 5.6 |
| 300 | 60 | 125 | 6.2 |
| 350 | 63 | 127 | 6.7 |
| 400 | 65 | 129 | 7.1 |
| 450 | 66 | 130 | 7.3 |
| 500 | 68 | 134 | 8.5 |
| 550 | 70 | 134 | 9.1 |
| 600 | 72 | 136 | 9.3 |
| 650 | 75 | 137 | 9.5 |
| 700 | 76 | 138 | 9.7 |
| 800 | 77 | 140 | 11.5 |
| 900 | 73 | 143 | 13.5 |
| 1K | 75 | 145 | 14.1 |
| 1.5K | 85 | 182 | 21 |
| 2K | 90 | 185 | 22.5 |
FAQ
1. Are custom-made toroidal transformers available for specific applications?
Yes, ZHENGXI Electric specializes in custom-made toroidal transformers to meet your specific power and voltage needs. Whether you’re powering industrial equipment or home appliances, we can design a solution tailored to your requirements.
2. What is a 300VA Toroidal Transformer suitable for?
A 300VA Toroidal Transformer is ideal for small devices or low-power applications such as residential appliances, small industrial equipment, or audio systems. It provides stable power with minimal space requirements.
3. Can I use a 240V Toroidal Transformer in my home?
Yes, a 240V Toroidal Transformer is perfect for residential applications. It provides efficient voltage conversion, ensuring stable power for household appliances, lighting systems, and small machinery.
4. How does the Toroidal Auto Transformer minimize noise?
The Toroidal Auto Transformer minimizes noise due to its unique design, which reduces vibrations and electromagnetic interference. This makes it ideal for noise-sensitive applications like audio equipment and medical devices.
5. Are Toroidal Power Transformers more efficient than conventional transformers?
Yes, Toroidal Power Transformers are highly efficient due to their low core losses, reducing energy waste and lowering operational costs. This makes them ideal for applications where energy efficiency is critical.
Base specifications:
Dimension:149*149mm
Thickness: 1.5mm
Color: Black (High temperature paint ,anti-rust)
Installation hole: 5*9mm(Oval hole)
Installation hole: 135*135mm(Middle distance)








