automatic voltage protector avs 20AMPS Fridge GUARD

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Price:$2.80 - $3.00
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Product Overview




 Company Contact Information                                                                                                                                                                                  


Company Name:Zhejiang Tongkai Electric Co., Ltd.
Operational Address:Daxing Street, Export-Oriented Industrial Zone, Liushi Town, Yueqing, Zhejiang, China (Mainland)

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Product Description


Product Series:  Automatic Voltage Switches                                                                                             Model: AVS-30A





For complete protection simply plug the Automatic Voltage Switches into the mains and plug in your appliance.When the mains power supply fluctuates outside pre-set tolerances the power to your equipment is disconnected.The AVS monitors the voltage for a short period to ensure the power has stabilised bedore re-connecting.In addition, the start-up delay provides protection against power-back surges commonly experienced after resumption of power in power cut situation.Surge and spike protection is also incorporated to ensure protection against these events which are very common.They are generated by lighting and nearby switching off and on other equipment sush as vacuum cleaners,pumps,motors,television,elevators etc.



 Specification & Performance


1. AVS-30A series power source protection

2.  AVS-30A will be cut off when the voltage is too lower or too high to protect your appliance

3.  Show the working situation constantly

4.  Surges protection lightning protection

5.  Suitable for any electrical or electronic equipment



Specification dimensions and weight
ModelMeas (cm)QtyMaterial Packing
AVS-5A 47X36.5X50 50 Carton
AVS-13A(NEW) 69X48X29 50 Carton
AVS-13A 69X48X29 50 Carton


50 Carton
AVS-15A 69X48X29 50 Carton
AVS-30A (NEW) 69X48X29 50 Carton
AVS-30A 69X48X29 50 Carton



Product Show

Product Show

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Do the AVS with customer request



Packaging & Shipping

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Whether you have your own freight-forwarder or you would like us to organize shipment; whether you require delivery FOB to a port in China or ClF to a port near you, we are happy to quote and supply whichever way you choose. Please feel free to discuss all options with us.




We got ISO9000 quality and management system certification in 2002. Our main products have passed the evaluation of Network Access License for Telecommunications Equipment Ministry of Information Industry, PRC and CTTL certifications. All our products have passed the test of the Inspection Bureau of Province.

Company Information

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Zhejiang Tongkai Electric Co., Ltd.was built in 1987, with the predecessor of ZhenhuaFactory. We specialize in the research, production and sale of power supplies. For more than 10 years' hard work and development, our products have almost includedall kinds of power supplies. Recently, we have successfully developed technical products, such as automatic voltage switchers and chargers.


We are one of the earliest companies producing power supplies in China. We are a member of Power Supply Association of China. Our company has good credibility. We have been awarded AAA Grade Credit Grade Enterprise. We have import and export rights. Our tenet is "quality, honesty and credit." We will work hard to cooperate with friends all over the world.


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Q1 What is you advantages ?

a) We are professional stabilizers manufacturer for more than ten years and we have these staffs with rich
production and R&D


b) Excellent workers and skilled engineers


c) Our aims are to provide every customer high quality, reasonable price and excellent


d)we can guarantee to send the goods on time. And also accept any transportation ways that
you require

Q2 How do you control the production quality ?

a) For materials, we have IQC departments and the IQC testing follow QTKA003-2013 standard
b) in production have 4 times function testing
c) all of our products with 100% burn-in testing
d) 100% QC testing before delivery

Q3 Do you accept OEM / ODM ?


ODM&OEM are warmly welcomed !!!

Q4 What’s your payment ?

a) We can accept payment terms of TT, Western Union, PayPal

Samples and trial order accept PayPal ,TT & Western Union. normal order accept TT &Western Union

b) 30% ADVANCE DEPOSIT after buyer's confirmed payment, the balance should be paid before shipping when goods are ready.


Our Services

Our Services


  1. We can be customized according to customer needs and find a good sample logistics, please provide the exact address, company name, phone us.

  2. 2% pcb board is provided.

  3. If by container, you can let us know your own shipping agent or use our cooperated agent.

  4. 1 year warrenty , if it is our quality problem, we will provide the parts for free.


   How to contact us ?


 Send your Inquiry Details in the Below, Click "Send" Now!  



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