Industrial usage 230V to 380V dry type three phase auto transformer

• Application: Power, Electronic, Industry Control
• Phase: Three
• Core: Core-type Transformer
• Cooling Method: Oil-immersed Type Transformer
• Winding Type: Auto-transformer
• Certification: ISO9001-2000, UL, ISO9001, CE
• Model NO.: AL-PT74
• Usage: Power Transformer
• Frequency Characteristics: Low Frequency
• Shape of Core: EI
• Brand: AL TRANSFO
• Working Frequency: 50Hz or 60Hz
• Storage Temperature: -25c to +85 C
• Output Voltage: Customized
• Use: Computer, Home Theatre, Karaoke Player, Mobile Pho
• Input Voltage: Customized
• Temperature Rise: Less Than 20 C
• Working Moisture: 30-90%
• Winding Material: 100% Copper
• Quality: 100% Tested
• Advantage: Best Price & Best Quality in China
• Transport Package: Wooden Box or Pallet
• Specification: 1pcs/box
• Trademark: AL
• Origin: China
• HS Code: 85043190
• Production Capacity: 1000PCS/20days

Product Description

Product Description

Main Features

1. Technical standards: IEC 60076-1-5, IEC 61378-1:1997, JB/T 8636-1997, GB 1094.11-2007, GB 1094.1-2013

2. Rated capacity: 1-5000kVA

3. Rated voltage: 690V, 660V, 440V, 380V, 220V, 110,  etc

4. Frequency: 50Hz or 60Hz

5. Phase: three phase 

7. Coonnection: Y, yn0,  Y,d11,  D, yn11,  etc.

8. Cooling type: AN(Automatic cooling) or AF(Wind cooling)

9. Insulation class: B, F, H

10. Protection calss: customed

11. Conditions of Use:

* The altitude is less than 1000 meters

* The ambient temperature is -10 to +40 degrees Celsius

* The working humidity: not more than 95% when +26 degrees Celsius.

Input Voltage	415V AC (customized)	Output Voltage	220V AC (cuatomized)
Noise	≤50dB	Temperature Raise	≤50ºC(in -25-45ºC environment)
Cooling	Air Cooling	Winding Material	Pure Copper
Insulation Grade	F/H(can be customized)	Efficiency	≥98%
Insulation Resistance	≥150MΩ	Impedance Voltage	≤4%
Structure	Vertical	Service Life	30 years
Core Type	EI Type	Core Material	Cold Rolled Silicon Steel Sheet
Altitude Requirement	≤2000M	Output Voltage Accuracy	±1%
Overload Capacity	1.2 times of rated power	Waveform Distortion	Distortionless
Working Temperature	-25-45ºC	Working Humidity	≤95% Relative Humidity

Our Advantages:
1. 27 years experience in transformer and inductor manufacturing;
2. Scientific management system, strong technical team, and strict quality control system;
3. RoHS,CE,TUV and UL certified;
4. OEM & ODM;
5. Competitive price,in time delivery and perfect after-service online.




Packaging & Shipping

Application 

Switching power supplies, chargers, alarm system, TV/CRT monitor displays, UPS, VCD/DVD players, audio/visual equipment, OA machines and inverter Typical products .

Used in high-density installation with good shielding quality also used in wave carrier filter, power transformer and Aux-power transformer .

Our services 





Other products 

FAQ

1. Question: Lead time for samples?

    Reply: 10-15 working days.

2. Question: Lead time for mass production?

     Reply: 30 to 40 working days or depending on order quantity.

3. Question: What should provide to make custom  transformer ?

    Reply: Supply drawing is best, or tells us the size, inductance, resistance and etc.

4 . Question : What is payment term ?

    Reply : T/T , Western Union , PayPal or negotiation.