Cost-Effective 400W Rainproof Half Silicon Unit - For LED Ad Displays
Feature
◎ Budget-Friendly
400W Power: Delivers ample power for standard LED Ad Displays at an
exceptionally cost-effective price point.
◎ "Half
Silicon" Potting Design: Key components are partially encapsulated for
targeted moisture and dust protection in rainproof applications.
◎ Rainproof
Enclosure: Housed in a casing designed to shield electronics from rain and
environmental exposure typical for outdoor signage.
◎ Optimized
for LED Signage: Specifically suited for powering illuminated letters, basic
light boxes, and standard LED advertising displays.
◎ Value-Engineered
Solution: Provides a practical balance of essential protection and
affordability for cost-sensitive projects.
specification
| Model | HS-400W 12V B | HS-400W 24V B | |
| OUTPUT | DC voltage | 12V | 24V |
| Rated current | 33.3A | 16.7A | |
| Cuttent range | 0-33.3A | 0-16.7A | |
| Rated output power | 400W | 400W | |
| 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 | ≥91% | ≥93% | |
| 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 | L195*W115*H46mm | ||
| power supply weight | 525g | ||
| 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. | |||
Caution
● The product MUST be installed vertically and the wiring terminals downwards.
● For the heat dissipation, distance of 10cm from 4 sides (up/down/right/left) and 5cm from the ventilation hole side should be kept.
OEM Customer design
Model List
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 |
| HS-100W 12V | 100W | 200-240V AC | 12V | 8.3A | 93% | IP43 | 155*92*48 | 80 |
| HS-200W 12V | 200W | 200-240V AC | 12V | 16.7A | 92% | IP43 | 175*92*48 | 60 |
| HS-300W 12V | 300W | 200-240V AC | 12V | 25.0A | 92% | IP43 | 175*92*48 | 50 |
| HS-400W 12V A | 400W | 200-240V AC | 12V | 33.3A | 80% | IP43 | 193*110*46 | 30 |
| HS-400W 12V B | 400W | 200-240V AC | 12V | 33.3A | 80% | IP43 | 205*115*46 | 30 |
| HS-500W 12V | 500W | 200-240V AC | 12V | 41.7A | 90% | IP43 | 205*115*46 | 30 |
| HS-600W 12V | 600W | 200-240V AC | 12V | 50.0A | 90% | IP43 | 212*118*52 | 30 |
| HS-700W 12V | 700W | 200-240V AC | 12V | 58.3A | 90% | IP43 | 212*118*52 | 30 |
| HS-1000W 12V | 1000W | 200-240V AC | 12V | 83.3A | 90% | IP43 | 212*118*52 | 30 |
| HS-400W 24V | 400W | 200-240V AC | 24V | 16.7A | 92% | IP43 | 205*115*46 | 48 |
| HS-700W 24V | 700W | 200-240V AC | 24V | 29.1A | 90% | IP43 | 212*118*52 | 30 |
| HS-200W 5V | 200W | 200-240V AC | 5V | 40.0A | 92% | IP43 | 193*110*46 | 30 |
| HS-300W 5V | 300W | 200-240V AC | 5V | 60.0A | 92% | IP43 | 193*110*46 | 30 |
| HS-350W 5V | 350W | 200-240V AC | 5V | 70.0A | 90% | IP43 | 205*115*46 | 30 |
| HS-400W 5V | 400W | 200-240V AC | 5V | 80.0A | 90% | IP43 | 205*115*46 | 30 |
| HS-500W 5V | 500W | 200-240V AC | 5V | 100.0A | 89% | IP43 | 212*118*52 | 30 |
application
This Cost-Effective 400W Rainproof Half Silicon Unit is specifically tailored for budget-conscious projects in the LED Ad Displays sector where functional weather resistance and affordability are key priorities. It is most suitable for:
Standard
Outdoor LED Signage: Powering
common illuminated LED signs, channel letters, and basic advertising displays
that require essential protection from rain and dust without the expense of
full potting.
Economy Light Boxes: Providing an affordable power source for simple outdoor or semi-protected LED light boxes used for promotional purposes or basic information display.
Temporary
or Short-Term Installations: An
excellent choice for LED advertising displays intended for seasonal use,
temporary events, or applications where long-term extreme weather endurance is
not the primary concern.
Price-Sensitive Markets: Ideal for deployments in markets where minimizing upfront cost is crucial for LED signage projects.
Basic Illumination Projects:
uitable for powering straightforward LED illumination tasks where the primary goal is to light up signage elements effectively and economically, with a degree of weather protection.
This unit offers a practical solution for getting LED ad displays operational with essential rainproof capabilities at a very competitive price point.
