1100watt Autotransformer toroidal transformer class B toroidal transformer with CE/RoHS/UL/cUL

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Product Overview


1100watt Autotransformer toroidal transformer class B toroidal transformer with CE/RoHS/UL/cUL
Product Description

1.Tianyi Single-phase toroidal transformers, power range from 15VA to 5000VA. Designed and tested according to EN61558. Suitable for installation in electronically equipment.
2.Designed and prepared for II class equipment. Suited for power supply circuitry of electric machines and electronics devices with low nonload losses and weight
3.Short circuit and overload protected with thermal fuse on primary side. Up to 50% less weight than a similar conventional transformer.
4.Low magnetisation currents and no-load losses.


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Our Services

We have been offering standard and custom made transformers for most industrial application for over twenty six years. A few of our important magnetics include industrial control transformers, isolating safety transformers, R-CORE transformers,high current inductors, and power inductors.



Transformer can be used for LED lighting,radio and power supply,stepping motor,safety isolation,welding machine,charging equipment,monitoring security,automatic gating,radio and power amplifier,instrumentation, automatic gating,medical equipment, headphone power amplifier, DAC converter , precision instruments,amplifiers, new energy (solar),UPS power,etc.

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Packaging & Shipping


 Packaging Details:   packing in carton, delivery in pallet

 Port :                        Shanghai Guangzhou Shenzhen

 Lead Time :              Shipped in 10 days after payment


Company Information

 Established in 1992, Tianyi Electronics Technology Co., Ltd. is a global manufacturer to standard and custom transformer. We offer a full line of RoHS compliant product line, transformers, inductors, coils & chokes, and magnetic cores for a wide of range of industries. We have a experienced and qualified team of engineers and enterprise managers, and imported state-of-the-art transformer producing and testing facilities from Japan. Now we have been approved by T19001-2016, ISO9001:2015, UL1446, CE, JET etc international certificate.

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 Q1. Can you accord to I provide you drawings and parameters production?

Answer: Yes, we can accord your requirements to custom.
Q2. Can I make a small order test first?
Answer: Yes, but does not include freight and tax.
Q3. Can you send the sample before we order it?
Answer: Yes, we can provide free samples before you order it.
Q4. What is the sample express you send ?
Answer:DHL, UPS, FEDX failure for 7-15 days. If you have specific requirements can also be.
Q5. Has your product been tested before shipment?
Answer: We will have 12 hours of aging test before delivery.
Q6. Can you supply transformers with international approved certifications?
Yes. Our transformers have already been UL1446, EN61558, JET approved.


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