Fan-Cooled Mini Indoor 300W 24V Power Supply - 12.5A for Advertising LEDs
Feature
◎ Ultra-Thin "Mini" Design: Compact profile ideal for space-constrained indoor installations like light boxes.
◎ Reliable 300W Output: Delivers stable 24V/12.5A (or 12V/25A option) for consistent LED performance.
◎ Active Fan Cooling: Ensures stable operation and manages heat effectively under sustained loads.
◎ Proven High Reliability: Backed by 12 years' SMPS experience and 100% full-load burn-in testing.
◎ Full Protection Suite: Integrated safeguards against Short-circuit, Overload, Over voltage, and Leakage.
specification
| Model | DX-300W 12V | DX-300W 24V | |
| OUTPUT | DC voltage | 12V | 24V |
| Rated current | 25A | 12.5A | |
| Cuttent range | 0-25A | 0-12.5A | |
| Rated output power | 300W | 300W | |
| Ripples and noise | ≤200mVp-p | ≤300mVp-p | |
| Output current range | 11.5-12.5V | 23-25V | |
| 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 | IP20 | |
| MTBF | ≥30khour 25℃ | ||
| power supply size | L313*W53*H21mm | ||
| power supply weight | 305g | ||
| 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
0102030405
Model List
DX lighting box series. Our factory offers OEM customization, allowing us to tailor various models and parameters to meet your specific needs. Feel free to contact us for more information and personalized solutions.
| Model | Power Out | Input Voltage | Output Voltage | Output Current | Efficiency | IP | Size(mm) | Package |
| DX-60W 12V /24V | 60W | 200-240V AC | 12V/24V | 5.0A/ 2.5A | 89% | IP20 | 148*53*21 | 85 |
| DX-100W 12V /24V | 100W | 200-240V AC | 12V/24V | 8.3A/ 4.1A | 89% | IP20 | 172*53*21 | 85 |
| DX-150W 12V /24V | 150W | 200-240V AC | 12V/24V | 12.5A/ 6.25A | 89% | IP20 | 234*53*18 | 78 |
| DX-200W 12V /24V | 200W | 200-240V AC | 12V/24V | 16.7A/ 8.33A | 89% | IP20 | 313*53*21 | 60 |
| DX-300W 12V /24V | 300W | 200-240V AC | 12V/24V | 25.0A/ 12.5A | 85% | IP20 | 313*53*21 | 60 |
| DX-400W 12V /24V | 400W | 200-240V AC | 12V/24V | 33.3A/ 16.7A | 85% | IP20 | 313*53*21 | 60 |
| DX-300W 12V /24V FAN | 300W | 200-240V AC | 12V/24V | 25.0A/ 12.5A | 88% | IP20 | 313*53*21 | 60 |
| DX-400W 12V /24V 1FAN | 400W | 200-240V AC | 12V/24V | 33.3A/ 16.7A | 84% | IP20 | 313*53*21 | 60 |
| DX-400W 12V /24V 2FAN | 400W | 200-240V AC | 12V/24V | 33.3A/ 16.7A | 86% | IP20 | 373*53*21 | 45 |
application
This Mini Indoor 300W Power Supply is optimized for space-sensitive indoor applications requiring reliable 24V DC power and effective cooling. Its ultra-thin design and active fan make it particularly well-suited for:
Advertising Light Boxes: Easily integrated into slim light box enclosures to power backlighting modules or edge-lit panels, ensuring bright and consistent illumination.
COB LED Light Strips: Providing the stable 24V power needed for high-density Chip-on-Board (COB) LED strips often used in demanding signage or architectural accent lighting.
LED Displays: Energizing indoor LED display panels or modules where space for power components is limited.
General LED Lighting: Suitable for standard 24V LED Strip Lighting, LED lamps, or other LED Lights used in commercial or residential indoor settings.
Other Indoor Electronics: Versatile enough for various digital and electronic products, including CCTV cameras, communications equipment, instrumentation, fiber transceivers, and game players requiring stable 24V power.
While primarily focused on 24V applications, the available 12V/25A option makes it equally suitable for similar indoor projects utilizing 12V components. Its combination of compact size, fan cooling, and proven reliability makes it a go-to choice for enclosed or demanding indoor power needs.
