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Mean Well ELG-150-42AB Power Supply 150W 42V - Adjustable and Dimmable
The ELG-150 is a 150W Mean Well power converter.
Key Features
- ✓ 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: UL8750 (type”HL”), EN61347-1, EN61347-2-13 independent, EN62384, IP65 or IP67
- ✓ 3 years warranty
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BrandMean Well
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SeriesELG Series
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Power Rating150 Watt
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Output Voltage42 Volt
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Rated Current3.57 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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Length8.62 in
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Width2.48 in
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Height1.4 in
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Weight2.09 lb
::specification::
Frequently Asked Questions
What dimming and adjustment features does the ELG-150-42AB provide?
The ELG-150-42AB includes both the 'A' dimming input (0–10V, 10V PWM, or resistance control) and the 'B' built-in output trimming potentiometer. The potentiometer lets you manually adjust the output level within the 21–42V constant-current range during installation, while the external dimming input allows run-time brightness control via a 0–10V signal or compatible dimmer.
Can I use the ELG-150-42AB for 42V LED strip lighting in a covered outdoor entertainment venue?
Yes. The ELG-150-42AB is rated IP65, suitable for dust-tight and water-spray-resistant environments such as covered outdoor stages, beer gardens, or open-sided canopy structures where the driver is shielded from direct rain. Its 150W capacity supports meaningful runs of 42V strip lighting in those applications.
Is the ELG-150-42AB appropriate for 42V LED strips in a greenhouse or high-humidity grow lighting setup?
The IP65 rating provides protection against water spray and condensation, which covers many greenhouse environments. The -40°C to +90°C operating range also accommodates the elevated ambient temperatures common in growing spaces. However, for installations with direct water immersion risk, the IP67-rated ELG-150-42B or ELG-150-42D2 would offer additional protection.
How many meters of 42V LED strip can the ELG-150-42AB support?
The ELG-150-42AB delivers 150W at 42V. Divide 150W by your strip's watt-per-meter rating to estimate the maximum run length. For example, a 12 W/m strip yields approximately 12.5 meters maximum; a 20 W/m strip yields approximately 7.5 meters. Check your strip's rated power per meter and derate to 80% for continuous operation, giving roughly 10 m and 6 m respectively in those examples.
Can the ELG-150-42AB drive 42V LED strips for linear architectural lighting in commercial offices?
Yes. The 0–10V dimming input on the ELG-150-42AB integrates directly with the 0–10V outputs common in commercial building management systems, and the 150W capacity handles extended linear runs of 42V architectural LED strip. The built-in trim pot also lets the installer fine-tune the light output level during commissioning.
Can the ELG-150-42AB be used in LED retrofit projects for 42V fluorescent-replacement strip fixtures?
Yes. The adjustable output (21–42V via the built-in potentiometer) and 0–10V dimming make the ELG-150-42AB a flexible choice for retrofitting legacy fluorescent troffers or strip fixtures with 42V LED replacement modules, especially where an existing 0–10V dimming infrastructure is already in place.
How does the ELG-150-42AB differ from the ELG-150-42A and ELG-150-42B?
All three share the same 150W, 42V, 3.57A output and physical dimensions. The ELG-150-42A provides only the external 0–10V/PWM/resistance dimming input (no trim pot). The ELG-150-42B provides only the built-in output-voltage trimming potentiometer (no external dimming). The ELG-150-42AB includes both features. The A and AB models are rated IP65; the B model is rated IP67.
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Other ELG-150 Models
7 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well ELG-150-48 Power Supply 150W 48V | 150.2W | 48V | 3.13A | IP67 | $40.43 | View |
| Mean Well ELG-150-48DA Power Supply 150W 48V -DALI | 150.2W | 48V | 3.13A | IP67 | $46.89 | View |
| Mean Well ELG-150-48B Power Supply 150W 48V - Dimmable | 150.2W | 48V | 3.13A | IP67 | $43.79 | View |
| Mean Well ELG-150-24DA Power Supply 150W 24V - DALI | 150W | 24V | 6.25A | IP67 | $46.89 | View |
| Mean Well ELG-150-48A-3Y AC-DC Single output LED Driver Mix Mode (CV+CC) with PFC | — | — | — | IP65 | $39.82 | View |
| Mean Well ELG-150-12B Power Supply 120W 12V 3-wire Input - Dimmable | 120W | 12V | 10A | IP67 | $43.79 | View |
| Mean Well ELG-150-12-3Y AC-DC Single output LED Driver Mix Mode (CV+CC) with PFC | 150W | 12V | 10A | IP67 | $68.60 | View |
