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    Direct Factory Manufacture DC DC Buck Converter 220v to 48v 20A Step Down Module

    EVS4820D
    minimum order: 
    1 piece
    Quantity:
    $300.00 - $400.00 / piece
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    • Application:Industry, laboratory
    • Efficiency:0.95
    • Protection:Overcurrent Protection, Overvoltage protection, Over Temperature Protection, Overloading Protection, Over Power Protection
    • Place of Origin:Guangdong, China
    • Brand Name:EVS
    • Model Number:EVS4820D
    • Output Type:Single Phase
    • Input Voltage:100-400VDC
    • Output Voltage:48V
    • Output Frequency:50/60Hz
    • Output Current:0-100A
    • Type:telecom rectifier for switching power supply
    • General input:AC 220V and DC 220V
    • Function:Telecom base stations
    • Compatible Brand:Emerson, Huawei, ZTE,vapel, Eltek
    • Logo:Can be design according to customer
    • Condutor:Rectifier Module
     
    Product Category
     
     
     
    Product Description
     
     
     
     
     
     
     

     

    Features with the following specifications:

     

    Application

     

     

    Small size program-controlled switches

     

    Access network

     

    Transmission equipment

     

    Mobile communication

     

    Satellite communications ground station

     

    Microwave communication power supply

     

     

    1, environmental conditions

     

    1)working temperature: -25 to +55

     

    2) storage temperature: -40 ~ +80

     

    3) relative humidity: 10% ~ 90%

     

    4)altitude: 3000m

     

    5)atmospheric pressure: 70 ~ 106KPa

     

    6)the heat dissipation method: the wind turbine forced cooling

     

     
     






































     
     
    Power system performance index input
     
    Parameter
    		 
    Min.
    		 
    Rated
    		 
    Max.
    		 
    Unit
    		 
    Note
     
    Rated working voltage range
    		 
    DC220
    		 
    Vdc
     
    Input frequency
    		43 
    50
    		 
    67
    		 
    Hz
     
    output voltage range
    		 
    42
    		 
    48
    		 
    58
    		 
    Vdc
    		 
    Battery pack’s positive and negative in parallel with DC output of rectifier module (polarity consistent)
     

     
     
     
     
     
     
    Packaging & Shipping
     
     
     
     

    PACKAGE:

     

    Packaging Details: Export standard packing :Plastic bag +Bubble bag +Inner carton +Outer carton .Customize Package Acceptable .We also can provide small and big PVC packing .

     

    DELIVERY TIME:

     

    3-30 days after confirming order,detail delivery date should be decided according to
    production season and order quantity.

     
     
     
    FAQ
     
     
     

    FAQ

     
     
     

    01

     
     
     

    Why choose us?

     

    Shenzhen Evs Industrial Co., Ltd. offer you the best quality products and service. Win to win
    business is our first principle.

     
     
     
     

    02

     
     
     

    Whom we are ?

     

    Shenzhen Evs Industrial Co., Ltd. is a professional manufacturer which combine production
    and trade. Now the company have two brand evs and huaqiang power. The products series
    contain high ,middle and low level range products. The products is highly used for all brands of
    Switching Power Supply,mobile phones , PC , DC ,TV PSP ,laptop and so on electronic products.

     
     
     
     

    03

     
     
     

    Are you a factory or trading company?

     

    Yes, we are date cable manufacturer,supply OEM/ODM service.

     
     
     
     

    04

     
     
     

    How about your After sales-service?

     

    1.Guarantee time: one year
    2.Spare parts: 0.3% spare parts will be shipped with your order.
    3.Return policy: we can exchange goods if quality problem.

     
     
     
     

    05

     
     
     

    Our Payment & Logistics?

     

    1.Payment terms L/C,T/T,Western Union,MoneyGram,Paypa
    2.Shipping terms: Ship,DHL, UPS, FEDEX, TNT, EMS
    3.Sample order delivered within 24 hours , order lead time within 3 days

     
     
     
     

    06

     
     
     

    What can you get from us?

     

    1.Excellent products (unique design, strict quality control )
    2.Great service(OEM,ODM, after-sales services, fast delivery)
    3.Professional business consultation.

     
     
     
    Company Information
     
     
     
     

    EVS is an professional manufacturer of switching power supply, DC AC power , DC DC converter, AC DC power , inverter series power system product and other OEM/ODM electronics products according to customer's request.

     
     

    We regard clients' satisfaction as our top task, products' quality as the basis of development, cost-saving as our competitive advantage. With good faith oriented, we would like to share our knowledge, technology and experience with our partners so as to cooperate with more customers for mutual benefit and development. We will do our best to provide the good quality, the best service, the competitive price for our old and new customers.