Metal case, economical models
1∅, full range input
Slim size, model width: 32 ~ 85.5mm
EMC EN55022 class B
Assemble on industrial rail TS-35 / 7.5 or 15
6 years warranty
NDR-240 is designed with a metal shell, and the honeycomb hollow is convenient for heat dissipation. Under the condition of air circulation, the whole series can work in the ambient temperature of -40°C to 85°C. It has the constant current mode overload protection function.
| NDR-240 240W Rail Type Switching Power Supply | ||||
| Project | Technical Index | |||
| Output | DC voltage | 12V | 24V | 48V |
| Rated current | 20A | 10A | 5A | |
| Rated power | 240W | 240W | 240W | |
| Ripple and noise ① | ＜120mV | ＜120mV | ＜150mV | |
| Voltage accuracy | ±2% | ±1% | ||
| Output voltage regulation range | ±10% | |||
| Load adjustment rate | ±1% | |||
| Linear adjustment rate | ±0.5% | |||
| Input | Voltage range | 85-264VAC 47hz-63hz (120vdc-370vdc: DC input can be realized by connecting AC / L +, AC / N (-)) | ||
| Efficiency (typical) ② | ＞86% | ＞88% | ＞89% | |
| Working current | ＜2.25A 110VAC ＜1.3A 220VAC | |||
| Impulse current | 110VAC 20A， 220VAC 35A | |||
| Start, rise, hold time | 500ms、70ms、32ms ：110VAC/500ms、70ms、36ms ：220VAC | |||
| Protect | overload protection | 105% - 150% type: protection mode: automatic recovery after removing the abnormal condition of constant current mode | ||
| Overvoltage protection | When the output voltage is more than 135%, the output will be turned off. It will recover automatically after the abnormal conditions are removed | |||
| Short circuit protection | +VOWhen the abnormal condition of output is released, it will recover automatically | |||
| Environmental | Working temperature and humidity | -10℃～+60℃；20%～90RH | ||
| Storage temperature and humidity | -20℃～+85℃；10%～95RH | |||
| Safety/EMC | Withstand voltage | Input output: 3kVac input ground: 1.5kVac output ground: 0.5kvac for 1 minute | ||
| Leakage current | ＜1mA/240VAC | |||
| Isolation resistance | Input output, input shell, output shell: 500VDC / 100M Ω | |||
| Other | size | 60*125*114mm | ||
| Net weight / gross weight | 0.95/1000g | |||
Q: How many voltage you can supply?
A: 5V, 9V, 12V, 13.8V, 15V, 18V, 24V, 36V, 48V, 50V, 60V, 110V
( Depend on items )
Q: How many current you can supply?
A: 0.5A, 1A, 1.5A, 2A, 3A, 4A, 5A, 6A, 10A, 15A, 20A, 30A, 40A, 50A, 60A, 80A.
Q: How about the quality?
A: We have the best professional and experienced engineer and strict QA and QCsystem.
Repair rate under 0.1%--0.2%
Q: What's your lead time?
A: The delivery time is 1-25days which depend on detail items and quantity.
Q: Can we be your distributor?
A: We are looking for distributor and agent all over the world for switching power supplyshould you any interest, please do feel free to send your message or inquiry
Q: What's kind of payment you accept?
A: T/T, L/C, D/P, D/ A, 0/ A, paypal, western Union, Money Gram
Q: Do you accept OEM ODM?
A: Yes
Feedback
> NVVV's 24V Switch Power Supplies
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In June 2023, our NVVV team proudly participated in the Russian Power Exhibition. During the event, we showcased our reliable, high-quality products, attracting the attention of industry experts and customers alike.> Understanding and Using the Switched-Mode Power Supply
Switched-mode power supplies (SMPS) are sophisticated devices that efficiently convert mains voltage AC into low-voltage DC, forming the backbone of numerous industrial and commercial systems. Their ability to deliver consistent, regulated power has positioned them as indispensable components in applications ranging from 3D printers and embroidery machines to irrigation systems and school network notebook charging cabinets. By offering high efficiency and compact designs, SMPS have become a preferred choice across diverse sectors.> Which is Better: Linear or Switching Power Supply?
Power supplies are essential components of modern electronic devices, converting raw AC power into usable DC voltage. Among the two primary types of power supplies—linear and switching—each offers unique advantages and limitations. Choosing the right type can significantly impact the performance, efficiency, and reliability of a system. For industries and applications prioritizing compactness and efficiency, switching power supplies (SMPS), particularly those branded by NVVV, often emerge as the preferred solution for industrial environments. Let’s explore the key differences and determine which is better for your needs.+86-18968803336
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