Product Details

Custom-made design power 300VA toroidal transformer

Brand Name AL TRANSFO
Place of Origin China
Model Number AL-TT28
Usage Audio
Phase Single
Coil Number Autotransformer
Coil Structure Toroidal

Product Features

Product Description


1. Features

-Conform to EN61558-1, EN61558-2-6, UL1446

-Extremly low stray-magnetic-field

-Efficient reduction of costs and energy

-Temperature rise is below 60°

-Temperature fuse (130°) integrated in primary winding 


2. Technical Parameters

Power Size                              Customized
Primary Voltage                       110/115/120/220/230/240V AC
Secondary Voltage                  24-0-24V AC
Working Frequency                  50/60 Hz
Thermal Switch                        130° (Automatically Reset)
Insulation Class                        B Class (130°)
Pri-Sec Isolation                       4KV
Max Temperature                     60°


3. Production Lead Time:

Item/Lead TimeSamplesMass Production
Components1-2 days5-10 days
SMT1-2 days5-10 days
Delivery3-5 days5-20 days


4. Toroidal transformer Operating environment: 
1)Temp.:The ambient temperature can not over +40°C.
2)Altitude: Mounting location can not exceed the altitude of 2000m
3)Relative humidity: Maximum 90%
4)The site not attack by rain and snow
5)The medium which no explosion danger, no corroding metal, no electrical breakdown



Packaging & Shipping




Our services 

1.One-stop service covering hardware design + software program + PCB layout + PCB assembly + casing service for customers.
2.More than 20-year experiences with PCB,PCBA production in automatic,auto,medical,industrial control,security,communications,power supply filed.We help our customers to deal with their difficulties in the production and cost down by sourcing from China.
3.We provide full BOM sourcing for all kinds of electronic.parts,connectors,plastic mold and cable,etc. We have most professional component sourcing team and competitive sourcing channels with guarantee quality.
4.Instant feedback and short delivery time.We provide 24-hour online service for global customers.We quote BOM within 24 hours and PCB assembly prototype in 5 days.
5.Both prototype and mass production are acceptable.There is no minimum order quantity restrictions.
6.We test both PCB and key components 100% before delivery.Our warranty is 12 months for all the boards and products.
7.We provide credit to our long-term cooperation customers.

FAQ

Q1. Can you according to I provide you drawings and parameters production?
Answer: Yes, we can according your requirements to custom.
Q2. What is your MOQ?
Answer: no MOQ requirement.
Q3. Can I make a small order test first?
Answer: Yes, but does not include freight and tax.
Q4. How long is it from the beginning to the end?
Answer: 3 days out of the sample, received the full payment within 7 days of delivery.
Q5. Can you send the sample before we order it?
Answer:Yes, we can Sample fee and freight paid by the buyer, after the batch can be returned.
Q6. What is the sample express you send ?
Answer:DHL, UPS, FEDX failure for 7-15 days. If you have specific requirements can also be .
Q7. What is the payment method?
 Answer:PayPal, credit card, Western Union Bank,
Q8. Has your product been tested before shipment?
Answer:we will have 12 hours of aging test before delivery.


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