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AC/DC 21V 3a power adapter switching supply

Basic Info

Model No.: ZF120A-2103000

Product Description

  21v 3A ac dc adapter with UL CE CUL FCC GS SAA ROHS
Description Output: 21Volt @ 3Amps  










21 Volt 2 Amp



Input Voltage


Universal Input


42 Watts



DC Connector



If you don't know whether this machine can use this adapter, you can view your 

original adapter's output parameters (Output voltage, current) whether 

suitable, if the original adapter lost, or you can look at the electronic equipment 

at the bottom of the parameters of the machine specifications


Over Loading Protection, Over Voltage Protection,

 Temperature Protection, Short Circuit Protection

    Products Shows
    Packaging & Shipping 6.Shipping:                            Payment Terms   1. Payment term: 30% deposit by T/T in advance when order confirmed,70% balance before ship, or L/C, or Western Union and PayPal for small amount .   2. Lead time : normally in 5-7 workdays after deposit received .    3. Sample: Samples are always availble for each model . Samples can be ready in 2-3 days once payment received .    4. Shipping port: Shenzhen,Hong Kong, China       Lead Time Reference:    The delivery time is strarting from we confirm the payment.  In case of delay the delivery,so hope you charge it as soon as possible . Exact lead time is based on your amounts and fact. so you'd better show me your exact qty,not uncertain Some delivery time as follow:



Delivery Time

(working days)

less than 100










*Data is a reference for buyer, Specification situation will be given to you after asking us.


1.Samples (less than 10pcs) can be provied, lead time with 3days.

2.Please carefully check all the details before you take a order

    Company Information     Certifications     Our Services  Why choose us ?    *  Professional development team with 8 years at YHY *  More than 10 years experience in production
*  Reasonable price based on different quantity    *  CE, GS, BS, SAA, UL, CUL, EMC, LVD, CB, FCC, ROHS, REACH, ISO9001   *  Reply you within 24 hours when your email arrived   *  Sales with more than 8 years experience with oversea.  *  Great location :SHENZHEN     Your inquiry related to our products or prices will be replied in 24hrs.  Well-trained and experienced staffs to answer all your enquires in fluent English OEM&ODM, any your custo mized lightings we can help you to design and put into product. Distributoership are offered for your unique design and some our current models Protection of your sales area, ideas of design and all your private information     FAQ 1.Q: Do you offer samples for testing? A: Yes,we offer samples for testing with cost paid by buyer.Besides we welcome our customers to take sample as we believe seeing is believing.

2.Q: What's your MOQ?
A:we have no moq if stocked and 2000pcs if OEM order.

3.Q:Do you have warranty?
A :Yes,we have warranty of 3 years period.

4.Q:Do you have certificates for your products?
A:Yes,we have UL/CUL,FCC,RoHS,CE,KC,SAA,TUV GS Certifications.

5. Can you design the new housing based on our design?
A: We can design. one week make up sample. 30days sample test 45days start to MP?

6. What's the main product of you factory?
A: We are the supplier for 0-500W global Power Adapter, including wall plug adapter,usb adapter/charger,Desktop Adapter, metal case switching power supply,Led Power Supply, waterproof power supply,led driver,open frame power supply and ect.

7. Do you have some new product coming?
A: We will design more and more new product with differenct high quality.   8.Q: What's your payment item? A: Our standard payment is T/T in advance, Paypal and Western Union.  

Contact us if you need more details on Ac/dc 21v 3a. We are ready to answer your questions on packaging, logistics, certification or any Other aspects about 21v 3a Power Adapter、Dc 21v 3a. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Desktop Adapter > 21Vdc Desktop