Over 15 years experience of providing support of MEAN WELL Power Supplies
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Mean Well ELG-240-42A Power Supply 240W 42V - Adjustable
The ELG-240 is a 240W 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
- ✓ Protections: Short circuit / Over voltage / Over temperature
- ✓ Active PFC — meets international energy efficiency regulations
- ✓ Safety approvals: (type”HL”), CSA C22.2 No. 250.13-12;IEC/EN/AS/NZS 61347-1, IEC/EN/AS/NZS 61347-2-13 UL8750 EAC TP TC 004;BIS IS15885(for 24/24B/36/36A/42/42A/48/48A/54/54A only) GB19510.14,GB19510.1; IP65 or IP67; KC61347 1 KC61347 2 13
- ✓ 3 years warranty
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BrandMean Well
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SeriesELG Series
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Power Rating239.82 Watt
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Output Voltage42 Volt
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Rated Current5.71 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 MetBSI,CB,CCC,CE,EAC,ENEC,KC,RCM,UL
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Operation ModeConstant Current,Constant Voltage
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Operating Temperature-40°C~90°C
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Warranty5 Year
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Length9.61 in
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Width2.8 in
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Height1.48 in
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Weight2.69 lb
::specification::
Frequently Asked Questions
What IP rating does the ELG-240-42A carry, and where can it be installed?
The ELG-240-42A is rated IP65, protecting it against dust ingress and low-pressure water jets. It is suitable for installation inside outdoor sign cabinets or weatherproof enclosures where rain splash is possible, but should not be submerged.
How many meters of 42V LED strip will the ELG-240-42A support?
The ELG-240-42A provides 239.82W at 42V. Dividing 239.82 by your strip's watts per meter gives the maximum length — for a 10 W/m strip that is approximately 24 m. Verify the rated power per meter of your specific strip and derate by 20% for thermal safety.
Is the ELG-240-42A suitable for powering 42V LED modules in outdoor architectural accent lighting?
Yes. The 239.82W output at 42V and the –40°C to +90°C operating range make this driver well matched to outdoor architectural accent fixtures. The adjustable output (A suffix) allows fine voltage trimming to compensate for cable runs with slight resistive drop.
Can the ELG-240-42A be used for stadium or sports field LED lighting at 42V?
Yes. The high wattage and adjustable output make the ELG-240-42A useful in large-scale sports lighting systems using 42V LED arrays. The IP65 enclosure is robust enough for equipment rooms exposed to outdoor humidity and occasional water ingress.
Is this driver appropriate for 42V LED task lighting in commercial kitchens or food processing areas?
Yes. The IP65 protection shields the driver against grease-laden steam and wash-down splash common in commercial kitchen environments. At 239.82W it can supply multiple 42V LED task lights over a large kitchen or processing line.
Does the ELG-240-42A support output voltage adjustment without additional equipment?
Yes. The A suffix indicates a built-in trim potentiometer that allows the output voltage to be adjusted within the CC voltage range of 21–42V. This is useful for fine-tuning the supply to long LED strip runs or fixtures where slight voltage compensation is needed.
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Other ELG-240 Models
5 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well ELG-240-24DA Power Supply 240W 24V - DALI | 240W | 24V | 10A | IP67 | $61.09 | View |
| Mean Well ELG-240-36A Power Supply 240W 36V - Adjustable | 239.76W | 36V | 6.66A | IP65 | $52.87 | View |
| Mean Well ELG-240-48A-3Y AC-DC Single output LED Driver Mix Mode (CV+CC) with PFC | — | — | — | IP65 | $49.17 | View |
| Mean Well ELG-240-48DA-3Y Power Supply 240W 48V 3-wire Input - DALI | 240W | 48V | 5A | IP67 | $59.32 | View |
| Mean Well ELG-240-24-3Y AC-DC Single output LED Driver Mix Mode (CV+CC) with PFC | 240W | 24V | 10A | IP67 | $69.96 | View |
