Over 15 years experience of providing support of MEAN WELL Power Supplies
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Mean Well ELG-240-42AB Power Supply 240W 42V - Adjustable and Dimmable
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 Control0-10V,10V PWM,Resistance
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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 is the IP rating of the ELG-240-42AB, and can it handle outdoor conditions?
The ELG-240-42AB is rated IP65, protecting it against dust and low-pressure water jets. It is appropriate for outdoor sign cabinets and weatherproof enclosures exposed to rain splash, though it should not be submerged or exposed to direct water jets.
How many meters of 42V LED strip can the ELG-240-42AB power?
The ELG-240-42AB delivers 239.82W at 42V. For a 12 W/m strip that equals approximately 20 m (239.82 ÷ 12). Check your specific strip's rated wattage per meter and derate by 20% for safe continuous-duty operation.
Can the ELG-240-42AB be used for dimmable LED cove or valance lighting in high-end residential projects?
Yes. The AB suffix provides both adjustable output voltage and built-in dimming, allowing integration with residential lighting control systems. At 239.82W and 42V, this driver supports substantial cove or valance LED strip runs with the flexibility to fine-tune brightness and voltage.
Is the ELG-240-42AB suitable for retail display cases or showcase lighting using 42V LED strips?
Yes. The dimming capability (AB suffix) allows brightness to be adjusted for different merchandise presentations, and the 239.82W capacity at 42V can drive extended runs of LED strips across multiple display case sections from a single driver.
Can this driver supply 42V LED modules in outdoor entertainment or event lighting?
Yes. The IP65 protection and 239.82W output make the ELG-240-42AB practical for temporary or permanent outdoor event lighting using 42V LED bars or wash fixtures. The wide 100–305VAC input accommodates generators and different site power supplies.
Does the ELG-240-42AB support both analog dimming and output voltage trim?
Yes. The AB designation indicates the driver includes a built-in trim potentiometer for output voltage adjustment within the 21–42V CC range, and a separate dimming input for brightness control. Both features can be used independently or together depending on the application.
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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 |
