DC-DC 400W High-power Step Down Buck Converter DC 10V-60V Constant Voltage Constant Current Adjustable Power Supply Module

$25.99
  Availability: In Stock
  Shipping: Free Airmail 
  Estimated Delivery: 
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  •   Shipping Methods

    Handling Time

    Before we can ship your order, we prepare your products, do strict quality-control tests and carefully package the items. The time it takes to prepare your items for shipping is separate from the delivery time. It usually takes 1-3 business days to ship out .

    Shipping Methods

    You can choose the preferred shipping method on the cart page during the checkout process. We offers 3 international shipping methods:

    1. Airmail – Free untracked economy shipping via national postal services (HK Post, Singapore Post, China Post, PostNL, Swiss Post, Sweden Post, USPS, Royal Mail e.t.c.)
    2. Airmail Registered – Tracked shipping via national postal services (HK Post, Singapore Post, China Post, PostNL, Swiss Post, Sweden Post, USPS, Royal Mail e.t.c.)
    3. Expedited Shipping – Express shipping with courier delivery (DHL, UPS, FedEx, TNT)

    Delivery Time

    Airmail and Airmail Registered Area Estimated Delivery Time
    United States, Canada 7-25 business days
    Australia, New Zealand, Singapore, United Arab Emirates 10-25 business days
    United Kingdom, France, Spain, Germany, Netherlands, Japan, Belgium, Denmark, Finland, Ireland, Norway, Portugal, Sweden, Switzerland 10-25 business days
    Italy, Brazil, Russia, South Africa 10-45 business days
    Other countries 10-35 business days
    Expedited Shipping 3-10 business days to Worldwide

    Note: If you choose an expedited shipping, please remember to leave a valid contact number, this is required for expedited shipping’s courier delivery.

  •  Returns & Refund

    Last updated October 05, 2022

    Returns

    If you are not completely satisfied with your purchase for any reason, you may return it to us for a full refund within 15 days from delivery date. All returned items must be in new and unused condition, with all original tags and labels attached.

    Return Process

    To return an item, please email our customer service at sales@alexnld.com to obtain a Return Merchandise Authorization (RMA) number. After receiving a RMA number, place the item securely in its original packaging, and mail your return to the following address:

    Alex NLD
    Attn: Returns
    RMA #
    HaGiborim St 8
    Tiberias, 14388
    Israel

    Please note, you will be responsible for the return shipping charges. We strongly recommend that you use a trackable method to mail your return.

    All customers should contact us and obtain Return Merchandise Authorization (RMA) number before sending anything to us. We will not be responsible for returned item(s) without notifying us in advance.

    Refunds

    After receiving your return and inspecting the condition of your item, we will process your refund to the credit / debit card or PayPal account which was used to place the original order.

    Please allow at least seven (7) days from the receipt of your item to process your refund. Refunds may take 1-2 billing cycles to appear on your credit card statement, depending on your credit card company. We will notify you by email when your refund has been processed.

    Exceptions

    If an item is found damaged or defective on receipt, we kindly ask you to contact us within 15 days from the delivery date to arrange a refund or exchange without physical return of the item.

    Please provide us with following:

    1. Photos of the front and back sides of the packaging box;
    2. A photo, video or screenshot of the defective item or the defective part of the parcel.

    Our customer service team will communicate with you to arrange a refund or reshipment without physical return of the item.

    Warranty & Repair service

    If any of the items you have purchased from us is found defective within 1 year from receipt, you are entitled to a repair under warranty. Please kindly provide us with evidence photos or videos of the defective item. After providing such information to our Customer Service team  and the problem is acknowledged, you can send the items back to us for a repair.

    Note:  Please be aware, we do not cover the cost of the returns fees in  warranty & repair service.

    Order Cancellation

    If you want to cancel an order within 24 hours from confirmation of the payment, you will be entitled to a full refund. It is still possible to cancel an order after 24 hours, provided that it has not yet been shipped. If an order has been shipped, it’s impossible for us to cancel or modify it anymore. If you still want a refund, you required to return the item on it’s arrival.

    Questions

    If you have any questions concerning our return policy, please contact us at:

    +972 054-536-2888
    sales@alexnld.com

     


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Features:

*10-60V wide input voltage, suitable for most power supplies on the market as input source.
*Output constant voltage and current, voltage and current continuously adjustable. It can meet most electric equipment.
*High output power, good ventilation and natural heat dissipation can reach 280W/12A (pay attention to the limitation of output power and output current).
*The module adopts step rectification scheme, with high efficiency. The output voltage is more than 10V, and the efficiency is more than 92%-96%.
*There is a constant current indication when charging the battery. The charging state is clear at a glance.
*The input has a 15A fuse, and the input positive and negative poles are connected reversely, which will not damage the power supply (the fuse will burn, and the fuse needs to be replaced).

Parameters:

Product model: SZ-BK0612
Module name: 400W step-down constant voltage constant current
Module nature: non isolated buck module
Input voltage: 10.5-60V
Output voltage range: 0-45V (must meet the step-down conditions, in input multiplied by 0.8)
Minimum output voltage: 0V (+ 1V)
Maximum output voltage: about equal input*0.8 (for example, the input is 40V, 40V*0.8 = 32V, the maximum output voltage is 32V, which will actually be higher to about 34V.35)
Output constant current: 0.2-15A (continuously adjustable, heat dissipation shall be strengthened if it exceeds 12A)
Maximum output power: 400W (it is necessary to add a fan to forcibly heat the heat sink and magnetic ring)
Continuous maximum working power: 280W (in ventilated environment)
Continuous maximum working current: 12A (in ventilated environment)
Input undervoltage protection: Yes, (the input is lower than 10.5V, the output is closed, and there is an error of about 0.5V)
Input overvoltage protection: none (overpressure prohibited)
Working temperature: -10 ~ + 85℃ (heat dissipation shall be strengthened when it exceeds 65℃)
Operating frequency: 100kHz
Conversion efficiency: up to 97% (efficiency is related to input and output voltage, current and voltage difference)
Short circuit protection: Yes (constant current protection)
Input reverse connection protection: Yes (in case of short circuit, input reverse connection shall be cautious, which will burn the input fuse)
Output anti backflow: none (when charging the battery, the output is connected to inductive load, for example, the anti backflow diode must be added to the motor)
Work indicator light: Yes (blue LED light)
Constant current indicator: Yes (the CC indicator red light on the small board is on when the constant current is working, there is no current output, and this light is not on when the constant voltage is working)
Wiring mode: self equipped welding free 25A wiring terminal
Module size: length 60, width 60 mm, height 45 mm
Net weight: 170g Add 180 grams of packaging.
Packaging method: independent carton packaging.
Wiring: ‘input / in’ is input. ‘Output / out’ is output (marked in Chinese)

Package includes:

1 x Power Supply Module

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