90~370VAC input range
Metal case, IP67/design for indoor or outdoor installations
Internal gluing
Constant current design
Suitable for ED street lighting and outdoor LED lighting
Metal safety protection shell, waterproof design, heat dissipation performance is stronger, the internal circuit board original upgrade, more stable, more powerful, full power, anti-interference.
| LPV-250 250 WWaterproof Irrigation Switch Power Supply | |||||
| Project | Technical index | ||||
| Output | DC voltage | 12V | 24V | ||
| Rated current | 20.8A | 10.4A | |||
| Rated power | 249.6W | 249.6W | |||
| Ripple and noise ① | ＜120mV | ＜200mV | |||
| Voltage Precision | ±5% | ||||
| Load adjustment rate | ±2% | ||||
| Linear adjustment rate | ±1% | ||||
| Starting and rising time | 2000ms、25ms、15ms ：115VAC 2000ms、25ms、50ms ：230VAC | ||||
| Input | Voltage range/ frequency | 90-264VAC 47Hz～63Hz；127VDC～370VDC | |||
| Efficiency (typical)② | ＞87% | ＞88% | |||
| Working current | 3.75A/110VAC 2.2A/230VAC | ||||
| Impulse current | 220VAC： 60A | ||||
| Protect | Leakage current | 105%-135% Protection type: burping mode, automatic return to normal after removing abnormal conditions | |||
| overload protection | 115% - 145% protection type: close the output, restart and automatically return to normal | ||||
| Environmental Science | Working temperature and humidity | -30℃～+70℃；20%～90RH | |||
| Storage temperature and humidity | -40℃～+85℃；10%～95RH | ||||
| Safety regulations | Withstand voltage | Input output:3KVAC 1 minute | |||
| Leakage current | input shell: 240VAC时 ＜2.5mA | ||||
| Isolation Resistance | Input output, input shell, output shell ：500VDC/100MΩ | ||||
| Other | size | 208*120*50mm | |||
| Net weight / gross weight | 2100/2200g | ||||
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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.> Can SMPS work with DC input?
With the continuous development of power conversion technology, switching power supply (SMPS, Switch Mode Power Supply) has become an indispensable part of modern power electronic equipment. Its main function is to convert the input power into the required output voltage, and it is widely used in home appliances, industrial equipment, communication equipment and other fields. In most cases, SMPS is used to convert alternating current (AC) into direct current (DC) to provide stable DC power for the equipment. But in some application scenarios, the input power may be DC instead of AC. At this time, the question is: Can SMPS work normally under DC input? In this article, we will discuss in detail from the basic principles of SMPS, the feasibility of DC input and practical application scenarios.> How do I know if my SMPS is working properly?-NVVV
Switching Mode Power Supply (SMPS) plays a vital role in modern electronic devices. It can efficiently convert alternating current (AC) into direct current (DC) and provide a stable and reliable power supply for the device. Whether in industrial equipment, household appliances or communication systems, the working performance of SMPS directly affects the overall operating status of the equipment. However, as the equipment is used for a longer time or the external environment changes, the SMPS may experience performance degradation or failure. So, how to judge whether the SMPS is working properly? In this article, we will explore this issue in depth, introduce common inspection methods, troubleshooting techniques, and how to ensure the long-term stable operation of the SMPS through maintenance.> Why is SMPS better?-NVVV
In modern electronic devices and industrial applications, the choice of power supply has a crucial impact on the performance, efficiency and safety of the system. With the advancement of technology, the switch mode power supply (SMPS) has gradually replaced the traditional linear power supply and become the mainstream power supply solution. As a well-known power supply brand, NVVV produces SMPS that perform well in various application scenarios. This article will analyze in detail why SMPS is superior to other power supply technologies, and combine practical application scenarios such as school network laptop charging cabinets, watering machines, 3D printers and embroidery machines to explore the advantages of SMPS in depth.+86-18968803336
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