We Manufacture all kinds of Transformers

Yudzhen LLC is a pioneer in manufacturing Torodial, High-Voltage, Power and Measuring Transformers. Visit our 'Products' page to learn more on our products & services.

We Manufacture Torodial Magnetic Cores

Yudzhen LLC manufactures all kinds of Magnetic Cores in all Shapes & Sizes, and custom made as per our clients requirements. Visit our 'Products' page to learn more.

We Manufacture Inductance Coil sets

Yudzhen LLC manufactures customized frame and frameless coils including coils for induction flow meters. Visit our 'Products' page to learn more.

We Manufacture Inductors & Pulse Transformers

Yudzhen LLC manufactures inductors both for protection & to avoid electromagnetic interference in main supplies. Visit our 'Products' page to learn more.

Toroidal Transformers

Toroidal transformers are built on ring magnets and are designed for use in electronical equipments, communication devices, domestic electronic equipments, and in medical equipments. Toroidal transformers have gained a wide application in power sources for burglar, and fire alarm systems, in step-voltage regulators, as well as for power supply of lighting fixtures including halogen lamps, for street and landscape lighting controls.

LLC "Yudzhen" serially manufactures toroidal transformers with power from 1 to 9000 VA designed for equipments and devices of industrial, special and domestic application and working with AC power supply of 50 to 400Hz. Transformers are built on twisted strap toroidal magnetic cores. Materials of thermal resistance class F according to GOST (State Standard) 8865-87 are used at transformers manufacturing. Transformers manufactured are of II class of electrical accident protection according to GOST 275700.0-87 (GOST P IEC 335-1-94). At customer?s request it is possible to install reusable and disposable thermal fuses. Acceptable deviations of input voltage shall be specified when placing an order. Customer?s requirements to dimensions, leads location, etc. are considered at design of a transformer. Our manufacturing code is PKFL () since 1.01.05. Previously we used designation ARGO.


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Specifications

N0. Specifications
P, VA Idling current, mA Overheat t, C Transformer size, finished product, mm Voltage drop on load, %
1 5 2.5 13.5 22/55-22 16.6
2 10 3 23,4 24/57-25 19
3 15 3 33 22/58-27 19
4 20 4 38 25/66-25 19
5 25 3.8 39 24/67-29 16.7
6 30 6.3 38 25/66-34 14.7
7 40 7.4 39 33/77-33 13.8
8 50 8.2 40 27/78-35 11.5
9 60 8.4 38 30/83-36 10
10 80 8.5 40 27/89-39 8.7
11 100 11 40 27/100-39 7.7
12 150 14 40 33/110-45 6.4
13 200 15 40 40/123-47 5.7
14 250 18 40 41/123-56 5
15 300 27 40 53/143-54 5
16 400 27 40 46/147-61 3.9
17 500 36 40 45/149-71 3.3
18 600 36 40 39/152-78 3


The enterprise manufactures toroidal transformers for other input and output voltages, with the number of secondary windings up to 10, operating at frequencies of 50 - 400 Hz.

Transformers may be complete with terminal blocks and clamps.

Final price for a transformer is set after receiving technical design assignment. For the purpose of prompt, qualitative designing and manufacturing of the transformer that you would need then we would request to fill in the data in the 'Order' page, and we shall get back to you with an official quote at the earliest.

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