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High Capacity 12V 41.7A Power Supply - 500W Rainproof for Bridge & Signage
Feature
◎ Massive 500W Output (41.7A): Delivers substantial power reserves, specifically designed for large-scale LED installations like bridge lighting and monumental signage.
◎ Robust Rainproof Construction: Engineered with a durable, weather-resistant enclosure to reliably withstand outdoor conditions common in infrastructure projects.
◎ Parallel Connection Capability: Designed for easy parallel wiring, allowing multiple units to combine power seamlessly for projects exceeding 500W or even 1000W.
◎ Powers Demanding LED Loads: Capable of driving high-consumption LED types such as super modules, pixel lights digital tubes, and extensive strip runs.
◎ Customizable High-Power Solution: Offered by a specialist manufacturer with options for specific wattage needs (e.g., 500W, 550W, 580W) to match project requirements.
specification
| Model | MJ-500W 12V | MJ-500W 24V | |
| OUTPUT | DC voltage | 12V | 24V |
| Rated current | 41.7A | 20.8A | |
| Cuttent range | 0-41.7A | 0-20.8A | |
| Rated output power | 500W | 500W | |
| 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 | IP62 | |
| MTBF | ≥30khour 25℃ | ||
| power supply size | L205*W120*H56mm | ||
| power supply weight | 550g | ||
| 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 |
| MJ-60W 12V | 60W | 200-240V AC | 12V | 5.0A | 93% | IP62 | 130*76*42 | 100 |
| MJ-100W 12V | 100W | 200-240V AC | 12V | 8.3A | 93% | IP62 | 148*76*42 | 100 |
| MJ-150W 12V | 150W | 200-240V AC | 12V | 12.5A | 93% | IP62 | 148*76*42 | 100 |
| MJ-200W 12V | 200W | 200-240V AC | 12V | 16.7A | 92% | IP62 | 195*76*42 | 80 |
| MJ-300W 12V | 300W | 200-240V AC | 12V | 25.0A | 92% | IP62 | 182*100*50 | 50 |
| MJ-400W 12V F | 400W | 200-240V AC | 12V | 33.3A | 80% | IP62 | 182*120*56 | 40 |
| MJ-400W 12V C | 400W | 200-240V AC | 12V | 33.3A | 92% | IP62 | 182*120*56 | 40 |
| MJ-400W 12V A | 400W | 200-240V AC | 12V | 33.3A | 92% | IP62 | 205*120*56 | 30 |
| MJ-500W 12V | 500W | 200-240V AC | 12V | 41.7A | 90% | IP62 | 205*120*56 | 30 |
| MJ-600W 12V | 600W | 200-240V AC | 12V | 50.0A | 90% | IP62 | 205*120*56 | 30 |
| MJ-700W 12V | 700W | 200-240V AC | 12V | 58.3A | 90% | IP62 | 220*120*56 | 30 |
| MJ-1000W 12V | 1000W | 200-240V AC | 12V | 83.3A | 90% | IP62 | 220*120*56 | 30 |
| MJ-400W 24V | 400W | 200-240V AC | 24V | 16.7A | 93% | IP62 | 182*120*56 | 40 |
| MJ-700W 24V | 700W | 200-240V AC | 24V | 29.1A | 91% | IP62 | 220*120*56 | 30 |
| MJ-200W 5V | 200W | 200-240V AC | 5V | 40.0A | 92% | IP62 | 182*120*56 | 40 |
| MJ-300W 5V | 300W | 200-240V AC | 5V | 60.0A | 92% | IP62 | 182*120*56 | 40 |
| MJ-350W 5V | 350W | 200-240V AC | 5V | 70.0A | 90% | IP62 | 205*120*56 | 30 |
| MJ-400W 5V | 400W | 200-240V AC | 5V | 80.0A | 90% | IP62 | 205*120*56 | 30 |
| MJ-500W 5V | 500W | 200-240V AC | 5V | 100.0A | 89% | IP62 | 220*120*56 | 30 |
application
This High Capacity 500W Power Supply is the specialized solution for truly large-scale and power-intensive outdoor LED illumination projects where standard units are insufficient. Its massive 41.7A output capacity is engineered specifically for:
Monumental Signage & Branding: Energizing super-sized channel letters, enormous illuminated logos, or vast oversized light boxes demanding hundreds of watts for impactful visibility.
Bridge & Infrastructure Lighting: Ideal for driving long, continuous installations like bridge guardrail tube lighting, illuminating underpasses, or highlighting significant architectural features on large structures.
Extensive Architectural Illumination: Powering extensive runs of high-output LED strips, complex arrays of point sources, or multi-story outdoor building facade lighting requiring substantial, centralized power.
High-Consumption LED Systems: Perfectly suited for projects utilizing power-hungry components like super LED modules, high-density pixel lights, or numerous digital tubes.
Scalable Mega-Projects (>1000W): Thanks to its parallel connection capability, multiple units can be seamlessly combined to meet the extraordinary power demands of the largest landmark lighting or advertising spectacles.
As a product from one of the few manufacturers specializing in this high-power rainproof category, it provides the reliable, high-current energy foundation needed to bring the most ambitious and visually stunning large-scale outdoor lighting concepts to reality.
