1U Low profile with active PFC function: 15W~3000W
Built-in constant current limiting circuit
Economical
Miniature size, non-PFC
5G vibration, 70℃ operation
With overload/overvoltage/short circuit/overtemperature protection, built-in controllable fan with low noise, high efficiency, efficient heat dissipation, high withstand voltage.
| 400W Switching Power Supply | ||||||
| Project | Technical index | |||||
| Output | DC voltage | 5V | 12V | 24V | 36V | 48V |
| Rated current | 55A | 33.3A | 16.6A | 11.1A | 8.3A | |
| Rated power | 275W | 399.6W | 398.4W | 399.6W | 398.4W | |
| Ripple and noise ① | ＜100mV | ＜150mV | ＜150mV | ＜240mV | ＜240mV | |
| Voltage accuracy | ±2% | ±1% | ||||
| Output voltage regulation range | ±10% | |||||
| Load adjustment rate | ＜±1.5% | ＜±1.2% | ＜±1% | ＜±0.5% | ＜±0.5% | |
| Linear adjustment rate | ＜±1% | |||||
| input | Voltage range | 90-132VAC/180-264VAC 47Hz～63Hz；254VDC～370VDC | ||||
| Efficiency (typical) ② | ＞74% | ＞82% | ＞84% | ＞86% | ＞86% | |
| Working current | ＜6 A 115VAC ＜3.7A 230VAC | |||||
| Impulse current | 110VAC 25A， 220VAC： 50A | |||||
| Start, rise, hold time | 200ms、50ms、20ms ：230VAC | |||||
| Protect | overload protection | 105% - 135% type: constant current output + VO reduced to undervoltage point cut off output reset: power on again | ||||
| Overvoltage protection | Close output when ≥ 115% - 145% | |||||
| Undervoltage protection | Close output when ≤ 10% - 45% | |||||
| Short circuit protection | Close output | |||||
| Over temperature protection | Rth3: the fan operates normally, and the output is closed when the temperature is ≥ 85 ℃ | |||||
| Environmental Science | Working temperature and humidity | -10℃～+50℃；20%～90RH | ||||
| Storage temperature and humidity | -20℃～+85℃；10%～95RH | |||||
| Safety regulations | Withstand voltage | Input output: 1.5kVac input shell: 1.5kVac output shell: 0.5kvac for 1 minute | ||||
| Leakage current | 5mA at 1.5kVac input-output | |||||
| Leakage current | Input output at 220VAC < 1mA | |||||
| Isolation resistance | Input output, input shell, output shell: 500VDC / 100M Ω | |||||
| Other | size | 215*114*50mm | ||||
| Net weight / gross weight | 874.1/936.3g | |||||
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> NVVV's 24V Switch Power Supplies
In today's electrified world, the need for efficient and reliable power conversion is more critical than ever. From powering the smallest of household gadgets to running large industrial machinery, the versatility and safety of electrical power are paramount. This is where voltage conversion plays a crucial role, bridging the gap between the power supplied by utilities and the specific needs of various devices and systems.> What is the difference between 12 volt charger and 12 volt power supply?
12 volt charger and 12 volt power supply are two common electrical devices. Their main function is to output 12 volt direct current (DC), but they are different in use and design. 12 volt chargers are mainly used to charge various batteries, including mobile phones, power tools and car batteries, and their design focuses on battery charging management and protection. 12 volt power supplies are used to provide stable DC power to electrical devices, such as LED lamps, electronic devices and some motors. The key is to ensure the stability and efficiency of voltage and current. Below, I will introduce the difference between the two in detail.> 24V power supply experience: the perfect combination of reliability and performance
As a crazy home automation enthusiast, I have been looking for a reliable and efficient power supply to power the smart home devices in my home. Of course, this power supply also needs to be cost-effective. After some comparisons, I finally chose NVVV’s 24V power supply. I have to say that after long-term use and repeated testing, I am very satisfied with the performance of this power supply. Below, I will share my experience in detail from several key aspects, including output current and power, stability and reliability, protection functions, efficiency and heat dissipation, and compatibility and certification.> What is 24v dc power supply
In today's era of rapid technological development, the importance of electricity as the infrastructure of modern life and industrial activities is self-evident. As electronic equipment develops toward higher precision and complexity, various industries have increasingly stringent requirements for power supplies, especially in terms of voltage stability and current reliability. Among many types of power supplies, DC power supplies have become core equipment because of their ability to provide stable DC power, especially 24V DC power supplies, which play an indispensable role in many industries. From industrial automation to renewable energy systems, 24V DC power supplies cover a wide range of fields. It not only ensures the normal operation of equipment, but also provides a solid foundation for technological innovation and safety. The following article introduces the basic working principle of DC power supply in detail, discusses in depth the characteristics and applications of 24V DC power supply and how to choose the appropriate DC power supply model according to different needs, revealing the core position of this key component in modern technology, hoping to provide readers with Friends, some different reading experiences.+86-18968803336
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