物品 #:
8751947
300W 20A DC-DC Step Down Converter Constant Current Adjustable Converter Step Down Voltage Module Volt Reducer Transformer Module
物品 #:
8751947
HKD 166
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from 美國
0 ratings
轉寫評價
有存貨
從USA商店導入
現在訂購，約可在下列時間收貨： 星期六, 九月 12
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
With a wide input voltage range from 6V to 40V, the step-down converter can accurately adjust output voltage and current
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of 美國 store (110-120). Recommended power converters 立即購買.
What Stands Out
High Power Efficiency
This 300W DC-DC converter ensures consistent performance with high energy conversion rates, reducing waste and optimizing power management for your devices.
Adjustable Voltage Output
With an adjustable output, this converter caters to various applications, allowing users to customize voltage levels precisely for their specific power needs.
Constant Current Mode
The built-in constant current feature stabilizes the output, protecting sensitive components in your circuits, providing reliability and extended lifespan.
產品詳情
- Input Voltage: 6V to 40V DC, suggested 10V to 40V
- Output Voltage: 1.2V to 36V DC, Output Current: 20A max, 15A suggested
- Efficiency: up to 96%, measured at 20A converting 24V to 12V
- High frequency low resistance electrolytic capacitor for low ripple, stable output
- Convenient wiring with large current 30A screw terminals, built-in short circuit protection
- Compact size: 60 x 53 x 27mm, with two heat sinks for better heat dissipation
| Brand Name | Walfront |
| UPC | 736691393502 |
| Manufacturer | Walfront |
| Unit Count | 1.0 Count |
| Part Number | Walfrontbi91m40tau |
| Power Source | DC |
| Mounting Type | Rack Mount |
| Current Rating | 15 Amps, 20 Amps |
| Item Dimensions D x W x H | 1.06"D x 2.09"W x 1.06"H (2.7 x 5.3 x 2.7 cm) |
| Specification Met | CE, FCC, UL |
| Brand | Walfront |
| Product Dimensions (L x W x H) | 1.06"D x 2.09"W x 1.06"H (2.7 x 5.3 x 2.7 cm) |
Who Should Buy?
-
DIY Electronics Enthusiasts
Ideal for hobbyists needing adjustable voltage for custom projects, offering flexibility and efficient power management.
-
Electric Vehicle Builders
Perfect for modifying battery voltages in electric vehicles, allowing for optimal performance and energy efficiency.
-
Solar Power Users
Great for solar setups needing to convert high voltage to usable levels, enhancing energy usability and management.
-
High Power Applications
Not suitable for applications requiring over 300W, risking overheating and potential damage to components.
產品敘述
300W 20A DC-DC Step Down Converter Constant Current Adjustable Converter Step Down Voltage Module Volt Reducer Transformer Module
About This Item
Introducing our 300W 20A DC-DC Step Down Converter - the perfect solution for all your voltage conversion needs. Whether you're an electronics enthusiast or a business owner looking to optimize your power supply, this constant current adjustable converter is a must-have. With a voltage input range of 6V to 40V DC (10V to 40V recommended) and an output voltage range of 1.2V to 36V DC, this module offers versatility for a wide range of applications. It is designed with ultra-low ripple stable output, ensuring precise and stable output voltage and current adjustments. One of the standout features of this converter is its high efficiency of 95% (24V to 12V, 20A), which means minimal energy loss during the conversion process.
This translates to more power and fewer worries about wasting energy. Additionally, the module is equipped with two heat sinks for enhanced heat dissipation, allowing for reliable and continuous operation without the risk of overheating. This feature is particularly beneficial for demanding projects that require prolonged use. Safety is a top priority, which is why this module comes with built-in short circuit protection. This ensures that your devices and equipment are protected from any potential overloads or electrical faults, giving you peace of mind. The compact size of 60 x 53 x 27mm (2.36 x 2.08 x 1.06 inches) makes it easy to integrate into your setup without taking up too much space.
The terminal wiring method simplifies the installation process, enabling a hassle-free experience. Whether you're an experienced professional or just starting with electronics, this module is user-friendly and allows for precise adjustments. The CV output constant voltage and CC output constant current features make it versatile and suitable for various applications. In the package, you will receive one module that includes all the necessary components for immediate use. Please note that the new and old types of this product will be sent randomly, so keep that in mind when placing your order. Upgrade your power supply capabilities with our 300W 20A DC-DC Step Down Converter.
It's the ideal choice for electronics enthusiasts, hobbyists, and business owners alike. Order yours today and experience the benefits of efficient and reliable voltage conversion.
有疑問？ 與我們聊天
客戶問題與解答
-
題:
What is a 300W 20A DC-DC Step Down Converter?
回答: A 300W 20A DC-DC Step Down Converter is an electronic device designed to convert a higher DC voltage to a lower DC voltage while maintaining a constant current output. This is particularly useful when powering devices that require a specific voltage level which is lower than the input voltage. Many applications include LED lighting, battery charging, and power supply for various electronic projects where voltage regulation is critical. -
題:
How does the constant current feature work?
回答: The constant current feature of the 300W 20A DC-DC Step Down Converter allows it to provide a steady, predetermined current value regardless of changes in load resistance or input voltage. This is achieved by continuously monitoring the output current and adjusting the output voltage as necessary to maintain that current. This feature is essential for applications like LED powering or charging batteries where variations in current can lead to damage or inefficiency. -
題:
What kind of inputs can this converter handle?
回答: The 300W 20A DC-DC Step Down Converter is designed to accept various DC input voltages, typically ranging from a higher voltage source, like a battery or power supply, to deliver a stable lower voltage output. Common input voltages might range from 24V to 60V DC. Be sure to consult the technical specifications to ensure compatibility with your specific power source. -
題:
Can this module be used for IKEA LED lights?
回答: Yes, the 300W 20A DC-DC Step Down Converter is well-suited for powering IKEA LED lights, which often require a lower and regulated power supply. By adjusting the output voltage to match the LEDs' specifications, this converter ensures optimal performance and longevity of the lighting system, making it ideal for both home and professional setups. -
題:
Is it safe to use this step-down converter for sensitive electronics?
回答: Yes, this converter is specifically designed for safe use with sensitive electronics, as it provides stable voltage and current. Incorporating features like over-current protection and thermal regulation, it mitigates risks associated with fluctuating power supply, ensuring that delicate devices are protected while receiving the necessary power for operation. -
題:
What are practical applications for this converter in DIY projects?
回答: In DIY electronics projects, the 300W 20A DC-DC Step Down Converter can be used in a variety of situations, such as powering microcontrollers, LED strips, or devices that require precise voltage like Raspberry Pi or Arduino projects. Its adjustable output allows creators to tailor the voltage to suit their specific needs, making it a versatile addition to any maker's toolkit. -
題:
How do I adjust the output voltage on this converter?
回答: To adjust the output voltage on the 300W 20A DC-DC Step Down Converter, you can use a small screwdriver to turn the adjustable potentiometer on the module. This allows you to dial in the desired output voltage accurately. It's important to use a multimeter to measure the output voltage while making adjustments to ensure that you achieve the required settings for your specific application. -
題:
What is the difference between this constant current module and others?
回答: The primary distinction of the 300W 20A DC-DC Step Down Converter is its capability to both step down voltage and maintain a constant output current, setting it apart from non-constant current modules. This feature makes it particularly advantageous in applications where consistent current levels are crucial, such as for LED lighting or battery charging, ensuring enhanced performance and device protection. -
題:
Can multiple converters be used in parallel for higher current applications?
回答: Yes, multiple 300W 20A DC-DC Step Down Converters can be used in parallel by carefully balancing the load between them, allowing for higher current output than a single module can provide. However, it's essential to ensure that they share a common load and that isolating diodes are utilized to prevent back-feeding, thereby achieving efficient power distribution in high-circuit applications. -
題:
Where can I buy the 300W 20A DC-DC Step Down Converter in Hong Kong?
回答: You can conveniently purchase the 300W 20A DC-DC Step Down Converter from Ubuy, which offers a reliable platform for electronics and components. Ubuy provides extensive selection and delivery options tailored for your region, making it easier to find the specific items you need for your projects or applications.
Walfront Power Converters Editorial Review
未找到編輯評論
Customer Reviews & Ratings
1 客戶評分
-
5 星
100%
-
4 星
0%
-
3 星
0%
-
2 星
0%
-
1 星
0%
評價此產品
與其他客戶分享您的想法
優點
- Highly efficient voltage reduction
- constant current output
- Adjustable settings for flexibility
- Compact and easy to install
- Durable and long-lasting performance
缺點
- Initial setup may require careful adjustment.
Platform Trust & Buyer Confidence
FZ
F Zhang
Verified buyer
“Good product, and smooth delivery!”
18-Jul-26 · via Trustpilot
RD
Roxy
Verified buyer
“Great products and services”
17 April 2026 · via Trustpilot
KD
Khushi
Verified buyer
“Ubuy Hong Kong is a game-changer. I was looking for a specific American brand that doesn't ship to Asia, and Ubuy had it in stock. The selection of global products is incredible. It saves me the hassle of using freight forwarders or asking friends to bring items over. The process was seamless from checkout to delivery”
6 July 2026 · via Trustpilot
KM
kritika
Verified buyer
“I?m always nervous buying electronics and skincare online, but Ubuy Hong Kong delivered exactly what I ordered and it was 100% genuine. It?s refreshing to find a platform that you can actually trust with premium brands. Will definitely be a returning customer.”
3 July 2026 · via Trustpilot
S
Sam
Verified buyer
“Great product, good packing, the goods arrived quickly and well protected.”
6 June 2026 · via Trustpilot
安全結帳
Global Delivery
Easy Returns
Genuine Products
Product Price History
重要資訊
- 限制：如跨國購買產品，請注意製造商的保固有可能無效；製造商服務選項可能無法使用；產品手冊、教學、以及安全警示可能不會是目的地國家的語言；產品（與附加材料）設計也許不會符合目的地國家的標準、規格、以及標示要求；且產品也許不會符合目的地國家的伏特數值與其他電力標準（需要使用合適的變壓器或轉接器）。收件者須負責確定該產品在目的地國家可合法進口。當在 Ubuy 或其聯盟夥伴網站上訂購時，收件者為記錄上的進口者，且必須遵從目的地國家的法律與規範。
- 由於 Ubuy 是一個全球搜尋引擎，並不是所有列於 Ubuy 的產品都有出售。產品須受出口／貿易法規規範。
HKD 166
現在訂購，約可在下列時間收貨： 星期六, 九月 12
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
特色和優勢
- Input voltage range: 6V - 40V
- Efficiency up to 96% at 20A output
- 75V/80A large current dual MOS tube design
- Stable output with low ripple using high frequency low resistance electrolytic capacitor
- Convenient wiring with 30A screw terminals
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.