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Mean Well ELG-75-C500A Power Supply 75W 500mA - Adjustable
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-C Series
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Power Rating75 Watt
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Output Voltage158 Volt
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Rated Current0.5 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 MetBSI,CB,CCC,CE,EAC,ENEC,RCM,UL
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Operation ModeConstant Current
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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
Can the ELG-75-C500A drive LED downlights while allowing field adjustment of the output current?
Yes. The A-suffix indicates that the output current can be adjusted via an internal trimmer potentiometer. This allows an installer to fine-tune the 500mA output to match specific LED module requirements within the driver's adjustment range. The CC voltage range is 75–150V.
Is the ELG-75-C500A appropriate for outdoor LED signage in humid environments?
The ELG-75-C500A carries an IP65 water-resistant rating, which protects against water jets from any direction but does not cover temporary immersion. It is suitable for outdoor signage in rain-exposed locations, though it should not be submerged. Operating temperature range is -40°C to +85°C.
Can I use this driver for a small LED array installed in a cold-room lighting system?
Yes. The ELG-75-C500A operates down to -40°C, making it compatible with cold-room and freezer lighting applications. The IP65-rated metal enclosure provides adequate protection against condensation and washdown in food-service environments.
How does the adjustable output on the ELG-75-C500A help when matching it to an LED load?
The trim adjustment lets integrators set the actual output current to the rated value of the LED module without relying on the nominal factory setting. This is particularly useful when LED modules have tight current tolerances or when the system has accumulated wiring resistance that could affect delivered current.
How many LEDs can the ELG-75-C500A drive in a series string?
The CC voltage range is 75–150V, so the allowable series string length depends on each LED's forward voltage. Ensure the combined forward voltage of all LEDs in the string falls within the 75–150V window. The driver will not maintain regulation outside this range.
What is the difference between the ELG-75-C500A and the ELG-75-C500AB?
Both share the same 75W, 500mA constant current output, 75–150V CC range, and IP65 rating. The ELG-75-C500A provides output current adjustment only (via trimmer), while the ELG-75-C500AB adds three-in-one dimming (PWM, resistance, or 1–10V signal) on top of the current adjustment. Choose the C500AB if remote dimming control is also required.
Does the ELG-75-C500A support operation on both 120V and 230V mains?
Yes. The input voltage range is 100–305VAC, so the ELG-75-C500A operates on both 120V North American and 230V European mains supplies without any manual switching. This wide input range also covers 277V supplies common in US commercial buildings.
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