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Outdoor 200Watt 12 Volt Power Unit - 16.7A Rainproof, Market Favorite
Feature
◎ Optimal 200W Output (12V/16.7A): Ideal power level for common outdoor LED signs and lighting projects.
◎ Robust Rainproof Enclosure: Built specifically for dependable operation in wet outdoor conditions.
◎ Proven High Reliability: Extremely low failure rate makes it a trusted Market Favorite.
◎ Fan Cooled & EMI Filtered: Ensures stable performance and prevents electrical noise interference.
◎ Integrated Safety Protections: Guards against short circuits, overloads, and over-voltage issues.
specification
| Model | MJ-200W 12V | MJ-200W 24V | |
| OUTPUT | DC voltage | 12V | 24V |
| Rated current | 16.7A | 8.3A | |
| Cuttent range | 0-16.7A | 0-8.3A | |
| Rated output power | 200W | 200W | |
| 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 | L195*W76*H46mm | ||
| power supply weight | 400g | ||
| 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
010203
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
As the undisputed Market Favorite in its class, this MJ Series 200W 12V Rainproof Power Unit is the workhorse for a vast range of common exterior low-voltage installations. Its 16.7A output capacity makes it exceptionally well-suited for:
Standard Outdoor LED Signage: Reliably powering typical illuminated storefront signs, business logos, and medium-sized channel letter displays found in countless commercial settings.
Accent & Decorative Exterior Lighting: Driving substantial lengths of outdoor LED strip lighting for architectural highlights, pathway definition, or landscape features requiring up to 200 Watts.
Multiple Smaller Fixtures: Efficiently powering groups of lower-wattage outdoor 12V devices like multiple security cameras, landscape spotlights, or modules from a single, weather-protected source.
Retail & Commercial Displays: Energizing exterior-facing illuminated displays or signage elements that need consistent power and protection from the elements.
The integrated EMI filtering also makes it a smart choice in environments where minimizing electrical interference with other nearby electronic equipment is important. Its widespread adoption confirms its reliability and suitability for the core segment of outdoor 12V power needs below the large-format threshold.
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