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Xingxiu DSP300H-4.2 | DSP300H-4.5 | DSP300H-4.6 | DSP300H-5 LED Display Switching Power Supply
Price range: $46.99 through $50.99
Xingxiu DSP300H-4.2, DSP300H-4.5, DSP300H-4.6, and DSP300H-5 are 300W high-efficiency LED display switching power supplies with wide AC input and full protection.
| Module Number |
DSP300H-4.2 ,DSP300H-4.5 ,DSP300H-4.6 ,DSP300H-5 |
|---|
Xingxiu DSP300H-4.2 | DSP300H-4.5 | DSP300H-4.6 | DSP300H-5 LED Display Switching Power Supply Description
Xingxiu DSP300H series is a high-efficiency, isolated AC to DC switching power supply designed specifically for LED display and industrial electronics applications. Based on advanced LLC resonant control technology, the DSP300H Series delivers stable DC output with high efficiency, excellent reliability, and comprehensive protection functions. It supports a wide AC input range and is suitable for long-term continuous operation in demanding environments such as LED display systems, security monitoring, communications equipment, industrial control, and power systems. The DSP300H series includes four output voltage models to meet different LED display power requirements: DSP300H-4.2, DSP300H-4.5, DSP300H-4.6, and DSP300H-5. All models share the same electrical architecture, safety certifications, mechanical dimensions, and protection features, ensuring consistent performance and easy replacement.
Product Features:
• Wide AC input range: 90–264VAC, compatible with global power grids.
• Advanced LLC resonant control topology for high efficiency and low power loss.
• High efficiency ≥88% at full load (230VAC).
• High power factor PF >0.95 at full load.
• Input and output electrical isolation for enhanced safety.
• Comprehensive protection: over-current, short circuit, over-voltage, and over-temperature protection with auto recovery.
• Low ripple and noise, suitable for sensitive LED display systems.
• Natural air cooling design, no fan required.
• Certified to UL, CE, FCC, CB, and CCC standards.
• Designed for long service life with MTBF ≥100,000 hours.
Xingxiu DSP300H-5 LED Display Switching Power Supply Specification:
| Module | DSP300H-5 | |
|---|---|---|
| Input | Input Voltage Range | 90–264VAC |
| Nominal Voltage | 100–240VAC | |
| Frequency Range | 47–63Hz | |
| Max Input Current | 6.3A max @100VAC | |
| Inrush Current | 120A @230VAC (cold start) | |
| Efficiency | ≥88% @230VAC, full load | |
| Power Factor | >0.95 @230VAC, full load | |
| Leakage Current | ≤1mA @230VAC | |
| Rated Output Power | 300W | |
| Input Fuse | T6.3AL / 250VAC | |
| Output | Rated Output Voltage | 5.0VDC |
| Adjustable Range | 4.6–5.0V | |
| Rated Current | 60A | |
| Peak Current | 66A | |
| Voltage Regulation Accuracy | ±3% | |
| Line Regulation | ±2% | |
| Load Regulation | ±2% | |
| Minimum Load Current | 0A | |
| Ripple & Noise | Ripple & Noise | ≤300mVp-p @220VAC, 60A load, 25°C |
| Measurement Method | 20MHz bandwidth using 0.1µF ceramic + 10µF electrolytic capacitors | |
| Dynamic Performance | Transient Response | ±5% |
| Load Change | 25%–50% & 50%–75% | |
| Slew Rate | 0.2A/µs | |
| Rise Time | ≤100ms (10%–90% Vout) | |
| Overshoot (Turn-on / Turn-off) | ≤10% | |
| Hold-up Time | ≥10ms @110VAC & 220VAC | |
| Power-on Delay Time | ≤3s @25°C, ≤5s @-30°C | |
| Protection Functions | Over Current Protection | ≥66A, auto recovery |
| Short Circuit Protection | Auto recovery | |
| Open Loop Over-voltage Protection | ≤6.8V (latch) | |
| Over Temperature Protection | Yes, self-recovery | |
| Isolation & Safety | Insulation Resistance | ≥10MΩ @500VDC |
| Dielectric Strength: Input to Output | 3000VAC, 1 min | |
| Dielectric Strength: Input to FG | 1500VAC, 1 min | |
| Dielectric Strength: Output to FG | 500VDC, 1 min | |
| Environmental | Operating Temperature | -40°C to +70°C (derating required at high temperature) |
| Storage Temperature | -40°C to +85°C | |
| Operating Humidity | 10%–90% RH, non-condensing | |
| Operating Altitude | -60 to 5000m | |
| Cooling Method | Natural convection | |
| Vibration | 10–500Hz, 2G | |
| Shock | 5G, 11ms | |
| Mechanical | Dimensions (L × W × H) | 220 × 46 × 26 mm |
| Weight | Approx. 425g | |
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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