Over 15 years experience of providing support of MEAN WELL Power Supplies
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Mean Well ELG-300-24A Power Supply 300W 24V - Adjustable
The ELG-300 is a 300W Mean Well power converter (input range: 100~305VAC).
Key Features
- ✓ Input voltage range: 100~305VAC
- ✓ DC output voltage adjustable ±10%
- ✓ 3.75KVAC reinforced I/O isolation
- ✓ Cooling by free air convection
- ✓ Protections: Short circuit / Over voltage / Over temperature
- ✓ Active PFC — meets international energy efficiency regulations
- ✓ Safety approvals: SAFETY & EMC
- ✓ 3 years warranty
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BrandMean Well
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SeriesELG Series
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Power Rating300 Watt
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Output Voltage24 Volt
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Rated Current12.5 Ampere
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Input Voltage100V~305V
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No of Output1
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Dimming ControlBuilt-in Potentiometer
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Standards MetCB,CCC,CE,EAC,ENEC,KC,UL
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Operation ModeConstant Current,Constant Voltage
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Operating Temperature-40°C~85°C
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Warranty5 Year
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Length9.69 in
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Width3.03 in
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Height1.56 in
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Weight3.2 lb
::specification::
Frequently Asked Questions
Can the ELG-300-24A drive 24V LED strip lighting in large commercial or retail environments?
Yes. The ELG-300-24A outputs 300W at 24V with a 12.5A constant current, which is well suited for extended 24V LED strip runs in retail shelf lighting, hotel corridor lighting, or large architectural installations. The high wattage allows a single driver to power a substantial section of a lighting system.
How many meters of 24V LED strip can the ELG-300-24A support?
The ELG-300-24A delivers 300W at 24V. For a 10 W/m strip, that is approximately 30 meters (300 ÷ 10); for a 14.4 W/m strip, approximately 20.8 meters. Always check your strip's rated power per meter and derate by 20% for long-term thermal reliability.
Is the ELG-300-24A suitable for outdoor 24V LED lighting in wet or coastal environments?
Yes. The IP67 waterproof rating protects against dust ingress and temporary water immersion, and the operating temperature range of -40°C to +85°C covers coastal temperature extremes. These characteristics make it appropriate for outdoor area lighting, facade uplighting, or waterfront signage.
Can the ELG-300-24A be used for 24V LED lighting in industrial or manufacturing facility applications?
Yes. The metal enclosure, IP67 protection, and 100–305VAC wide input range allow installation in industrial environments with high humidity, dust, or variable mains voltage. The 300W output at 24V supports high-lumen LED luminaires or large strip arrays used in factory and warehouse lighting.
What does the 'A' suffix indicate on the ELG-300-24A, and how does adjustment work?
The A suffix means the output voltage and current are adjustable via built-in trimmers. The CC voltage range of 14–24V allows the output to be fine-tuned to match specific LED loads or to compensate for voltage drop over long cable runs without external components.
Is the ELG-300-24A appropriate for powering 24V LED lighting in museum or gallery display cases?
Yes. The adjustable output allows precise tuning to the LED load requirements typical of display case luminaires, and the IP67 metal housing offers reliable long-term operation. With a 5-year warranty and certifications including UL, CE, and CCC, it meets the dependability requirements for permanent exhibition installations.
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