Control Transformer
With more than 10 years of experience helping customers succeed, Shuogong Power is an expert in control transformer manufacturing.
As a leading control transformer manufacturer and supplier in China, Shuogong provides you with affordable transformer products.
Whether you need a single-phase control transformer or a 3-phase control transformer, the company can 100% meet your needs.
Contact now and let us be your control transformer factory
control transformer related products
Control Transformer Specifications
Step-down control transformer converts single phase 240V AC to 110/36/24V AC, input/output voltage can be customized according to your requirements.
Generally speaking, a 500VA control transformer has an input rated voltage of less than 500V and an output rated voltage of less than 240V. It is used as the control power supply for mechanical equipment and general electrical appliances, as well as the power supply for working lighting and signal lights.
Product Name | Single phase control transformer | ||||
Capacity | 50 VA to 1500VA | ||||
Primary Voltage (VAC) | 110, 120, 208, 220, 230, 240, 380, 400, 480, 110/220, 120/240, 240/480…(Customized) | ||||
Secondary Voltage (VAC) | 6, 12, 24, 36, 48, 110/48, 120/24, 208/36, 220/48, 230/36, 240/120, 120/24/12, 110/36/24, 127/36/6, 208/48/36/24…(Customized) | ||||
Frequency | 50 / 60Hz | ||||
Insulation Level | F / H | ||||
Withstand Voltage Test | Primary to secondary 2.5KV/min | ||||
Primary to safety ground 2.5KV/min | |||||
Secondary to safety ground 1.5KV/min | |||||
Insulation Resistance | Primary to secondary 2500V>100 megohm | ||||
Primary to safety ground 2500V>100 megohm | |||||
Secondary to safety ground 1500V>100 megohm | |||||
Induction Withstand Voltage Test | 125Hz/ 800V/min | ||||
Ground Resistance | 25<A80 milliohm | ||||
Cooling Method | Natural or air cooling | ||||
Transformation Ratio | <3% | ||||
Air Carrying Current | <6% | ||||
Impedance Voltage | about 6% | ||||
Total Losses | 0.1 | ||||
Efficiency | 80%~99% | ||||
Operating Temperature | -25℃~40℃ (40℃, 93% RH, 56 days) | ||||
Storage Temperature | -25℃~100℃ (40℃, 93% RH, 56 days) | ||||
Certificate | CE, ISO | ||||
Warranty | 12 months |
Power(VA)optional | Input voltage(optional) | output voltage(optional) |
50VA | 380V | 220V 20V |
80VA | 380V | 220V 20V |
110VA | 380V | 220V 20V |
160VA | 380V | 220V 20V |
250VA | 380V | 220V 20V |
350VA | 380V | 220V 20V |
450VA | 380V | 220V 20V |
600VA | 220V | 60V 68V 76V 12V 13V 24V |
800VA | 220V | 60V 68V 76V 12V 13V 24V |
1000VA | 220V | 60V 68V 76V 12V 13V 24V |
1200VA | 220V | 60V 68V 76V 12V 13V 24V |
1500VA | 220V | 60V 68V 76V 12V 13V 24V |
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Why Choose Us?
SHUOGONG is the best manufacturer of transformers and voltage regulators in China, you can choose standard transformer products or custom-made transformers and voltage regulators for special voltages.
Best Industry Leaders
A manufacturer of transformers and voltage regulators with 16 years of production experience.
Be your transformer factory
Accept special customization and OEM service.
Professional Certification
Strict quality management, through CE certification.
Control Transformer Buying Guide
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Control transformers used as control power supplies for mechanical equipment and general electrical appliances, as well as power supplies for work lighting and signal lights.
Shuogong Power is the best control transformer manufacturer and supplier in China. No one knows control transformers better than we do.
If you want to grow your business of controlling transformers then the guide below is for you.
We will give you a comprehensive introduction to the principle, manufacture, price and application of control transformers.
Let us be your control transformer factory, we are very professional.
1. What is a control transformer
The control transformer is a small dry-type transformer.
The control transformer is mainly suitable for AC 50Hz (or 60Hz), voltage 1000V and below circuits, and can work continuously for a long time under rated load.
It is usually used in machine tools and mechanical equipment as the control lighting and indicator power supply of electrical appliances.
The parameters commonly used in practical applications are 380V to 220V, 380V to 36V, 380V to 24V, 380V to 12V and 220V to 36V, 220V to 24V, 220V to 12V.
In addition to being used as a buck-boost power supply, a control transformer can also transmit signals, that is to say, a control transformer is an electrical appliance that can transmit electrical energy or transmit signals from one circuit to another.
2. How do control transformers work?
In low-voltage power distribution systems, control transformers are named for their use in control systems. It is actually a step-down transformer with multiple output voltages.
The control transformer works on the principle of electromagnetic induction.
A transformer has two sets of coils, a primary coil and a secondary coil.
The secondary coil is outside the primary coil. When the primary coil is connected to alternating current, the transformer core generates an alternating magnetic field, and the secondary coil generates an induced electromotive force.
The turns ratio of the coils of a Satons transformer is equal to the voltage ratio.
3. Control Transformer Wiring Diagram
The commonly used parameters of control transformers in practical applications are 380V to 220V, 380V to 36V, 380V to 24V, 380V to 12V, 220V to 36V, 220V to 24V, 220V to 12V.
The following figure is a common control transformer wiring diagram for your reference.
4. What are the advantages of control transformers?
Control transformers are a type of transformers that are widely used, so what are the advantages, characteristics and precautions of this series of transformers?
In terms of advantages, control transformers have the following advantages:
- Good thermal stability, product design and process are strictly implemented, coils and core leads are made of high-quality materials, and the current density is selected low.
- Strong overload capacity: The product has strong overload capacity and overvoltage capacity, which can meet the overload requirements.
- Small Appearance: Simplified structure and beautiful appearance.
5. Control transformer price list
If you are looking for control transformer manufacturers or suppliers, then you must pay attention to the sale price of control transformers.
Below we have sorted out the prices of control transformers sold on some e-commerce platforms for your reference.
These control transformer prices do not represent the prices of control transformers produced by Shuogong.
Shuogong is a leading manufacturer of control transformers, you can contact us for preferential ex-factory prices.
You can contact us if you have any transformer needs, such as single phase transformers, 3 phase isolation transformers, 3 phase autotransformers, etc.
Items | Price | Primary Voltage (AC) | Secondary Voltage (AC) |
500VA Control Transformer, 240V to 110/36/24V sales price | $373.08 | 240V | 110/36/24V |
800VA Control Transformer, 220/380V to 120/48V sales price | $425.69 | 220/380V | 120/48V |
1000VA Control Transformer, 380V to 208/36V sales price | $576.31 | 380V | 208/36V |
2000VA Control Transformer, 240/480V to 220/36V sales price | $756.24 | 240/480V | 220/36V |
3000VA Control Transformer, 440/460/480V to 120/24V sales price | $879.69 | 440/460/480V | 120/24V |
4000VA Control Transformer, 240/480V to 208/110V sales price | $1054.17 | 240/480V | 208/110V |
5000VA Control Transformer, 380V to 230/120V sales price | $1264.62 | 380V | 230/120V |
6000VA Control Transformer, 220/440V to 120/48/12V sales price | $1366.92 | 220/440V | 120/48/12V |
8000VA Control Transformer, 240V to 110/24V sales price | $1521.54 | 240V | 110/24V |
6. What are the manufacturers of control transformers?
There are numerous control transformer manufacturers and suppliers worldwide.
Shuogong as a leading control transformer manufacturer and supplier in China. We want to recommend ourselves to you.
For more than 10 years, Shuogong has been committed to the research and development and manufacture of various transformers.
Control transformers are just one of our types of products.
We have been committed to providing customers with various power solutions.
A strong R&D team can meet your various needs for transformers, no matter what voltage you need, we can customize and provide 100% quality assurance.
7. What are the benefits of using a control transformer?
A control transformer is required to supply voltage to a load which requires significantly more current when initially energized than under normal steady state operating conditions.
A control transformer is designed to provide secondary voltage stability under a short period of specific overload referred to as inrush.
8. Control transformer usage environment
The ambient air temperature is -5°C to +40°C, and the 24-hour average does not exceed +35°C;
The altitude of the installation site shall not exceed 2000M.
Atmospheric relative humidity does not exceed 50% when the ambient air temperature is +40°C, and can have higher relative humidity at lower temperatures, and the monthly average maximum humidity in the wettest month is 90%.
At the same time, the average minimum temperature for the month is +25°C, taking into account the condensation that occurs on the product surface due to temperature changes.