Reliable 300W Fan-Cooled Power Supply for LED Video Walls (5V 60A)
Feature
◎ Intelligent Fan Cooling: The fan automatically adjusts its speed based on the internal temperature, ensuring quiet operation at low loads and effective cooling under stress.
◎ High-Efficiency & Low-Noise Performance: Utilizes premium components like pure copper transformers to achieve high conversion efficiency, minimizing heat and providing low-ripple power for clear, interference-free displays.
◎ Comprehensive Protection Suite: Equipped with robust built-in safeguards, including over-voltage, over-current, short-circuit, and overload protection for maximum safety and longevity.
◎ Rigorously Tested for Reliability: Every unit undergoes a 100% full-load aging test at 60°C to guarantee dependable performance in demanding, high-temperature environments.
specification
| Model | KS-300-5HA | KS-300-5HC | |
| OUTPUT | DC voltage | 5V | 5V |
| Rated current | 60A | 60A | |
| Cuttent range | 0-60A | 0-60A | |
| Rated output power | 300W | 300W | |
| Ripples and noise | ≤200mVp-p | ≤200mVp-p | |
| Output current range | 4.5-5.5V | 4.5-5.5V | |
| Precision of output voltage regulation | ±0.5% | ±0.5% | |
| Rate of lenear adjustment | ±0.5% | ±0.5% | |
| Load adjustment rate | ±0.5% | ±0.5% | |
| The startup time | ≤2s/230VAC | ||
| INPUT | Keep time | 10ms/230VAC | |
| Voltage range | 176-264VAC | ||
| Frequency range | 50Hz | ||
| Power factor | PF≥0.6/230VAC | ||
| Efficiency | ≥89% | ≥91% | |
| Alternating current | 3.4A/230VAC | ||
| Surge current | 50A/230VAC | ||
| Leakage current | <5mA/230VAC | ||
| PROTECTION | Overload | 110%-140%: rated 110%-140% of the total power input | |
| protection mode:Auto recovery mode.the system automatically recovers when abnormal load conditions are removed | |||
| Short circuit | protection mode:Auto recovery mode.the system automatically recovers when abnormal load conditions are removed | ||
| Over voltage | protection mode:self-recovery mode,automatic recovery when the overvoltage is removed | ||
| Over temperature | protection mode:self-recovery mode,automatically recover when the temperature drops | ||
| ENVIRONMEN | working temperature | -35~+50°C | |
| working humidity | 20-90% RH | ||
| storage temperature;humidity | -30~+85°C； 10~95% RH | ||
| temperature coefficient | ±0.1%/°C(0-35°C) | ||
| resistance to vibration | 10-500Hz, 3G 10min. / 1 cycle, 60 min. each axes | ||
| SAFETY&EMC | safety norms | EN60950 , GB4943.1 -2011 | |
| withstand voltage | l/P-O/P:1.5KVAC l/P-FG:1.5KVAC O/P-FG:0.5KVAC | ||
| insulation impedance | l/P-O/P, l/P-FG, 0/P-FG:100M Ohms / 500VDC / 25°C/ 70% RH | ||
| EMC | -- | ||
| other | protection grade | IP62 | |
| MTBF | ≥30khour 25℃ | ||
| power supply size | L190*W81*H30mm / L220*W81*H30mm | ||
| power supply weight | 360g / 440g | ||
| NOTE | 1.Unless otherwise specified , all specification are measured at an input of 230VAC,rarted negative cut,and ambient temperature of 25°C | ||
| 2.Ripple and noise measurement method:the measured end is connected in parallel with a 0.1uF+10uF capacitor,the oscilloscope is set to 20MHZ bandwidth,and the probe is tested with cap off and full load at 25°C | |||
| 3.Accuracy :includes setting error , linear adjustment rate and load adjustment rate . | |||
| 4. The output power is reduced when the input voltage is less than 200VAC. | |||
OEM Customer design
Model List
| Model | Power Out | Input Voltage | Output Voltage | Output Current | Efficiency | IP | Size(mm) | Package |
| KS-100-5HA | 100W | 200-240V AC | 5V | 20A | 93% | IP20 | 180*50*23 | 90 |
| KS-200-5HA | 200W | 200-240V AC | 5V | 40A | 89% | IP20 | 199*81*30 | 40 |
| KS-200-5HB | 200W | 200-240V AC | 5V | 40A | 93% | IP20 | 199*81*30 | 40 |
| KS-200-5HC | 200W | 110-240V AC | 5V | 40A | 95% | IP20 | 199*81*30 | 40 |
| KS-300-5HA | 300W | 200-240V AC | 5V | 60A | 92% | IP20 | 199*81*30 | 40 |
| KS-300-5HC | 300W | 200-240V AC | 5V | 60A | 92% | IP20 | 220*81*30 | 40 |
application
This reliable 300W 5V 60A Fan-Cooled Power
Supply is specifically engineered as a high-performance power solution for:
High-Impact LED Video Walls: Providing robust and stable power for large-scale configurations in stadiums, concert venues, and command centers. The intelligent fan cooling ensures optimal performance during continuous, high-brightness operation.
Outdoor Digital Billboards & Advertising Displays: Its 300W output is perfect for energizing high-resolution, high-brightness outdoor screens. The forced-air cooling is essential for maintaining reliability in enclosed signs exposed to harsh weather and direct sunlight.
Professional Rental & Staging Systems: An ideal power source for large, modular rental screens that demand high current for maximum visual impact. Its slim profile aids in building compact cabinets, while the intelligent fan effectively manages thermals during demanding events.
Fine Pixel Pitch & High-Density Matrix Panels: The low-ripple and low-noise output guarantees interference-free, pristine image quality, making it essential for broadcast studios, high-end retail displays, and corporate installations where visual clarity is paramount.
Its combination of high power output, intelligent thermal management, and proven reliability makes it the premier choice for mission-critical LED display applications where performance and stability cannot be compromised.
