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Mean Well ELG-75-42AB Power Supply 75W 42V - Adjustable and Dimmable
The ELG-75 is a 75W 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
- ✓ 3 years warranty
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BrandMean Well
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SeriesELG Series
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Power Rating75.6 Watt
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Output Voltage42 Volt
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Rated Current1.8 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~85°C
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Warranty5 Year
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Length7.09 in
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Width2.48 in
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Height1.4 in
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Weight1.76 lb
::specification::
Frequently Asked Questions
Is the ELG-75-42AB suitable for outdoor LED signage where moisture is a concern?
The ELG-75-42AB carries an IP65 rating, providing protection against dust and low-pressure water jets, which covers typical outdoor sign cabinet and facade lighting conditions. For installations where temporary immersion is possible, the IP67-rated ELG-75-42B or ELG-75-42 would be more appropriate.
How many meters of 42V LED strip can the ELG-75-42AB power?
The ELG-75-42AB delivers 75.6W at 42V. Dividing 75.6W by your strip's wattage per meter gives the maximum run—for example, 75.6 ÷ 10 W/m = 7.56 meters, or 75.6 ÷ 14 W/m ≈ 5.4 meters. Always check your strip's rated power per meter and apply a 20% safety derating.
What does the 'AB' suffix mean on the ELG-75-42AB?
The 'AB' suffix indicates the unit combines both the 'A' feature (built-in potentiometer for output adjustment) and the 'B' feature (3-in-1 dimming via 10V analog, PWM, or resistance input). This gives the most flexibility: local trim plus remote dimming from a controller or building system.
Can the ELG-75-42AB be used for 42V LED cove lighting with smart dimming control?
Yes. The 3-in-1 dimming interface accepts 1–10V, PWM, or resistance signals, so it integrates with wall dimmers, lighting controllers, and building automation systems. The onboard potentiometer also allows field-level output calibration to set maximum brightness.
Is the ELG-75-42AB a good driver for 42V LED modules in a commercial hospitality installation?
Yes. With adjustable output, 3-in-1 dimming, and 75.6W at 42V, the ELG-75-42AB suits hospitality lighting where scene flexibility and local brightness tuning are both required. Its wide 100–305VAC input range accommodates global mains voltages.
How does the ELG-75-42AB differ from the ELG-75-42DA?
The ELG-75-42AB uses analog 3-in-1 dimming (10V, PWM, resistance) combined with a trim potentiometer, and is rated IP65. The ELG-75-42DA uses DALI protocol for digital network control and is rated IP67. Both deliver 75.6W at 42V / 1.8A, so the choice depends on the control system in use.
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