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DSM-300W3V8-2V8-0000 SWITCHING POWER SUPPLY
$58.99
SOURCE LEADER DSM-300W3V8-2V8-0000 LED Display Power Supply delivers 3.8V-4.2V adjustable output, high efficiency up to 86%, and full protection features. Ideal for stable LED display performance.
DSM-300W3V8-2V8-0000 SWITCHING POWER SUPPLY Description
The DSM-300W3V8-2V8-0000 LED Display Power Supply by SOURCE LEADER is engineered for high efficiency and reliability. Featuring a universal wide-range AC voltage input of 90-264VAC and a high power factor of up to 0.95, this power supply delivers exceptional performance for LED display applications. With an efficiency rate of up to 86%, it supports dual common-cathode output and adjustable voltage from 3.8V to 4.2V.
This power supply is equipped with comprehensive protection functions including input undervoltage, output short circuit, overvoltage, overcurrent, and overtemperature protection, ensuring safe and stable operation. The LED power indicator and natural cooling design enhance its usability and operational efficiency. Its robust design allows it to operate in a wide temperature range of -30℃ to +60℃.
Product Features:
– Universal wide-range AC voltage input (90-264VAC)
– High power factor up to 0.95
– Efficiency up to 86%
– Adjustable output voltage (3.8VDC-4.2VDC)
– Dual common-cathode output
– Comprehensive protection functions: input under voltage, output short circuit, overvoltage, overcurrent, overtemperature
– LED power indicator
– Natural cooling
– Operating temperature: -30℃ to +60℃
| Category | Specification | |||
|---|---|---|---|---|
| Rated Voltage Range | 100-240VAC | |||
| Frequency Range | 47-63Hz | |||
| AC Current | 4.5A@100VAC full load | |||
| Inrush Current | 60A@240VAC | |||
| Leakage Current | <0.75mA@240VAC | |||
| Output Voltage 1 | 3.8V (adjustable 3.8VDC-4.2VDC) | |||
| Output Voltage 2 | 2.8V | |||
| Output Current Range 1 | 0-30A | |||
| Output Current Range 2 | 0-30A | |||
| Output Voltage Accuracy | ±2% | |||
| Line Regulation | ±1% | |||
| Load Regulation | ±2% | |||
| Ripple and Noise | 200mVpk-pk | |||
| Output Voltage Overshoot | 10% @ startup and shutdown | |||
| Output Rise Time | ≤100mS @ full load | |||
| Dynamic Response | ±5% (25%-50% and 50%-75% load changes), ±10% (25%-100% load changes) | |||
| Power Factor | ≥0.95 @ 100-240VAC full load | |||
| Total Harmonic | <15% @ 220VAC 50%-100% load | |||
| Efficiency at 110VAC | 84% (typical) @ 110VAC full load | |||
| Efficiency at 220VAC | 86% (typical) @ 220VAC full load | |||
| Startup Delay Time | <3S @ 100-240VAC 25℃ full load | |||
| Overcurrent Protection | >110% rated output current | |||
| Short Circuit Protection | Protection without output | |||
| Input Undervoltage Protection | No output under undervoltage | |||
| Input Undervoltage Recovery | Automatic recovery after undervoltage condition is removed | |||
| Over Temperature Protection | Automatic recovery after temperature drops | |||
| Storage Temperature | -40℃ ~ +85℃ | |||
| Operating Temperature | -30℃ ~ +60℃ (-40℃ startup, derate above 50℃) | |||
| Operating Humidity | 10% ~ 90% RH (non-condensing) | |||
| Storage Humidity | 5% ~ 95% RH (non-condensing) | |||
| Operating Altitude | 0-5000m | |||
| Storage Altitude | 0-5000m | |||
| Cooling Method | Natural cooling | |||
| Vibration Endurance | 10-500Hz, 2G 10min/axis | |||
| Safety Standards | UL62368-1, GB4943, IEC62368-1, EN62368-1 | |||
| Electromagnetic Compatibility | EN55032, GB17626.2/IEC61000-4-2, GB17626.4/IEC61000-4-4, GB17626.5/IEC61000-4-5, GB17626.11/IEC61000-4-11 | |||
| Insulation Withstand Voltage | Input to Output: 3000VAC/10mA MAX./60s, Primary to Earth: 1500VAC/10mA MAX./60s, Secondary to Earth: 500VAC/10mA MAX./60s | |||
| Insulation Resistance | Input to Output: 500VDC/10MΩ MIN., Primary to Earth: 500VDC/10MΩ MIN., Secondary to Earth: 500VDC/10MΩ MIN. | |||
| Physical Dimensions | 210 x 60 x 26 mm | |||
| Net Weight | 500g |
①Shipping Fee
We offer a fixed shipping fee of $78 per order, regardless of size or weight, making shipping costs predictable and manageable.
②Handling Time
Orders for in-stock items are processed within 24 hours. Some items may require an additional 48-72 hours for processing, and we will notify you if this is the case.
③Delivery Time
Our typical delivery time is 3-7 days, depending on your location. In rare cases of delays due to weather, regulations, or holidays, we appreciate your understanding.
④Customs & Duties
Customs duties, taxes, and other import fees are the responsibility of the recipient. For specific requirements, please inform us before shipping.
⑤Tracking Your Order
You will receive a tracking number once your package is shipped. If you experience any issues, please contact us for assistance.
For more details, please see our [Complete Shipping Policy].
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