NVVV MDR-20-12 AC to DC DIN-Rail Power Supply 12V 1.67 Amp 20W vs Mean Well EDR-120-24 Single Output DIN Rail Power Supply 24V 5 Amp 120W
Updated August 2026 — The Mean Well EDR-120-24 outperforms the NVVV MDR-20-12 in power output and suitability for demanding applications. However, the NVVV offers a more budget-friendly option for basic needs.
The Mean Well EDR-120-24 outperforms the NVVV MDR-20-12 in power output and suitability for demanding applications. However, the NVVV offers a more budget-friendly option for basic needs.
Why NVVV MDR-20-12 AC to DC DIN-Rail Power Supply 12V 1.67 Amp 20W is better
lower price
C$21.41 vs C$42.99
compact size
suitable for smaller devices
basic functionality
ideal for low-power applications
Why Mean Well EDR-120-24 Single Output DIN Rail Power Supply 24V 5 Amp 120W is better
higher power
120W vs 20W maximum output
greater current
5A vs 1.67A output current
brand reliability
Mean Well is known for industrial applications
Overall score
Specifications
| Spec | NVVV MDR-20-12 AC to DC DIN-Rail Power Supply 12V 1.67 Amp 20W | Mean Well EDR-120-24 Single Output DIN Rail Power Supply 24V 5 Amp 120W |
|---|---|---|
| Primary Voltage | 12V | 24V |
| Output Current | 1.67A | 5A |
| Max Power | 20W | 120W |
| Input Voltage Range | 85-264VAC | N/A |
| Brand | NVVV | Mean Well |
Dimension comparison
Overview of Power Supplies
When it comes to selecting a power supply, the choice often hinges on output specifications and pricing. In this comparison, we’ll delve into two distinct options: the NVVV MDR-20-12 and the Mean Well EDR-120-24. The NVVV is priced at C$21.41, while the Mean Well comes in at a higher price of C$42.99. Despite the price difference, each power supply serves different needs based on their output capabilities.
Output Specifications
The output specifications are critical when choosing a power supply, as they determine compatibility with your devices. The NVVV MDR-20-12 offers a primary output voltage of 12V and an output current of 1.67A, leading to a maximum output power of 20W. In contrast, the Mean Well EDR-120-24 provides a higher output voltage of 24V and a significantly greater output current of 5A, resulting in a maximum output power of 120W. This disparity highlights that while the NVVV is suitable for low-power applications, the Mean Well is designed for more power-intensive devices.
Input Voltage Range
The input voltage range is another important factor when selecting a power supply, as it dictates where the unit can be effectively utilized. The NVVV MDR-20-12 can operate with an input voltage ranging from 85 to 264VAC, making it versatile for various environments. On the other hand, the Mean Well EDR-120-24 does not specify an input voltage range in the available data. This makes the NVVV an appealing choice for users who need flexibility in power supply placement, provided that the input voltage meets its operational requirements.
Brand Reputation
Brand reputation can often influence buyer decisions, and both NVVV and Mean Well have their own standing in the market. NVVV, while perhaps less known, offers a budget-friendly option that meets basic power needs. Mean Well, however, is widely recognized for its reliability and performance in industrial applications. This is reflected in the EDR-120-24's higher power output, suggesting that it is built to handle more demanding tasks, making it a preferred choice for professionals who require dependable power solutions.
Application Suitability
Understanding the application suitability of each power supply is essential for making an informed choice. The NVVV MDR-20-12, with its 20W output, is ideal for smaller devices or projects that do not require extensive power, such as sensors or low-power controllers. In contrast, the Mean Well EDR-120-24, with a robust 120W output, is better suited for larger systems or devices that demand higher power, like motors or heavy-duty controllers. This clear differentiation allows consumers to select a product that best fits their specific needs.
Price Comparison
Pricing can be a decisive factor in any purchase decision, and there’s a notable difference between the two products. The NVVV MDR-20-12 is priced at C$21.41, making it an attractive option for budget-conscious buyers. Conversely, the Mean Well EDR-120-24 is priced at C$42.99, reflecting its higher output capabilities and potentially greater reliability. While the NVVV may appeal to those looking for an economical choice, the investment in the Mean Well could be justified by its superior performance and output capabilities for professional applications.
Energy Efficiency
Energy efficiency is an increasingly important consideration for consumers, especially in industrial settings where power costs can add up. The available data does not provide specific efficiency ratings for either the NVVV or the Mean Well power supplies. However, it is generally understood that higher-output units like the Mean Well EDR-120-24 tend to employ more advanced technologies, which could lead to better efficiency in high-load scenarios. Users should consider their specific application requirements and the expected energy consumption when evaluating these products.
User Experience and Feedback
While specific user reviews are not included in the data, the inherent characteristics of both power supplies suggest different user experiences. Customers of the NVVV MDR-20-12 may appreciate its affordability and suitability for simpler projects, while those opting for the Mean Well EDR-120-24 are likely looking for a reliable, high-performance power supply. The choice may also reflect users' past experiences with the brand, as Mean Well's established reputation for quality may sway professionals towards its products despite the higher cost.
Which should you buy?
Deciding between the NVVV MDR-20-12 and the Mean Well EDR-120-24 ultimately comes down to your specific power needs and budget. If you require a low-cost solution for basic applications, the NVVV’s output of 12V and 1.67A at C$21.41 could be ideal. However, for those who need higher power capabilities and are willing to invest more, the Mean Well's 24V and 5A output at C$42.99 offers substantial advantages. Therefore, assess your requirements carefully before making a decision.
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