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12V400mA Dryers Dedicated Low-frequency Transformers
12V400mA Dryers Dedicated Low-frequency Transformers
FOB Price
Port
NINGBO
China
Main Products : LED Bulb, LED Spotlight, LED Down Light, LED Ceiling Lamp, LED Candle Lamp, LED Tube, LED Panel Light
LANGXIA VILLAGE Yuyao, Zhejiang
12V400mA Dryers Dedicated Low-frequency Transformers Details
Brand Name
YULI TRANSFORMERS
Model Number
YULI TRANSFORMERS
Place of Origin
China
Phase
Single
Usage
Power
12V400mA Dryers Dedicated Low-frequency Transformers Introduce

CONTACT WECHAT / WHATSAPP / LINE: +8615356081356

KEY FEATURES:

Feature of Low Frequency Transformer

1.Small idle current

2.Strong load capacity

3.Multiple output windings

Technology parameters of Power supply transformer:

1.Primary voltage: 440V/415V/380V/220V/200V( Customer designated)

2.Secondary voltage:380V/220V/200V/110V/100V/36V/24V/12V/6.3V/3.6V( Customer designated)

3.Operational frequency:50/60Hz

4.Insulation class: T40/B(130℃);T40/F(155℃); T40/H(180℃)@50Hz&Rated current

5.Dielectric strength:P-S 2500V/1min No breakdown

6.P-E 2500V/1min No breakdown

7.Insulation resistor:≥100MΩ

8.Cooling way:(Air cooling)

9.Linking way:Y/Y Y//Y Customer designated

10.Temperature rise limitation:Core does not exceed 80K(thermometer method)),the coil temperature does not exceed 80K(platinum resistor method).

11.Working noise:<60dB(horizontal distance with transformer is 1 meter)

power transformer

ELECTRICAL SPECIFICATIONS:

Model

 0045

Thick of Iron core(MM)

 13-28

Maximum output power(W)

 50

Input rated voltage

 Single phase:230VAC

Operation efficiency

 50HZ

Output voltage

 18VAC

Output current

 3A

Power

 36W

Specifications

 EI57*30

Efficiency

 ≥98%

Temperature rise

 <85℃

Waveform distortion

 <0.1%

Dielectric strength

 2000V,Without breakdown in one minute

Insulation Resistor

 Winding insulation resistor to single phase≥2.2MΩ

Conditions of Use

 1.Ambient Temp.:-15℃~+40℃

 2.Relative humidity:≤85%

Input/Output voltage(V)

Single phase input voltage can meet the requirements 
of different regions:AC240-230-220-120-115-110-100,
Also designed according to customer special 
requirements.Output voltage is designed according 
to customer requirements

Remark

EI41*20 low frequency transformer shown as the above is one of the related technical parameters.Our 

company can make low frequency transformers(EI28-EI105)

with different specifications according to client's requirement. 

Welcome to inquire.

Application 

Widely used in instruments,power supply of 
instruments,switching power supply, power adapter, 
chargers, LED power supply and laptop power supplies.

Price

The price mainly depends on the process complexity 
of the product,customer demand for raw materials, 
and whether to ask a safety certificate, etc.

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