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Mean Well XLG-20-M-B 21W 500mA 25.2-42V Constant Current LED Driver...
Log in to see priceThe XLG-20-M is a 21W Mean Well power converter (input range: 90~305VAC, operating temperature: -40~+80℃).
Key Features
- ✓ Input voltage range: 90~305VAC
- ✓ 3.75KVAC reinforced I/O isolation
- ✓ Cooling by free air convection
- ✓ Wide operating temperature: -40~+80℃
- ✓ Protections: Short circuit
- ✓ Active PFC — meets international energy efficiency regulations
- ✓ 3 years warranty
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BrandMean Well
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SeriesXLG Series
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Power Rating21 Watt
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Output Voltage50 Volt
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Rated Current0.5 Ampere
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Input Voltage90V~305V
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Standards MetCB,CCC,CE,EAC,ENEC,RCM,UL
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Operation ModeConstant Current
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Operating Temperature-40°C~80°C
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Warranty5 Year
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Length9.5 cm
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Width6.3 cm
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Height3 cm
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Weight0.34 kg
::specification::
Frequently Asked Questions
Can the XLG-20-M-B drive LED downlights in a dimmable ceiling installation?
Yes. The XLG-20-M-B provides 21W at 500mA constant current (25–42V range) with 3-in-1 dimming support via PWM, resistance, or 1–10V analog signal. This makes it compatible with standard 0–10V dimmer systems used in commercial LED downlight installations.
Is this driver suitable for dimmable outdoor LED signage?
Yes. The IP67 waterproof rating and –40°C to +80°C operating range allow outdoor deployment in sign cabinets. The 3-in-1 dimming feature enables brightness scheduling or daylight-responsive control for illuminated sign modules whose forward voltage falls within 25–42V.
Can I use the XLG-20-M-B in a museum or gallery LED accent array that requires dimming?
Yes. Its constant current output at 500mA with analog 1–10V dimming makes it suitable for gallery LED accent fixtures where smooth, flicker-free dimming is required. Ensure the LED array's total forward voltage is within the 25–42V CC range.
What dimming methods does the XLG-20-M-B support?
The XLG-20-M-B supports 3-in-1 dimming: PWM signal, resistance dimming, and 1–10V analog input. All three methods are built into the same driver, so only one control signal type is used at a time depending on the connected controller.
Can the XLG-20-M-B be installed in an outdoor enclosure in a cold climate?
Yes. With an operating range of –40°C to +80°C and IP67 waterproof certification, it withstands outdoor environments including freezing temperatures and direct rain exposure. The 90–305VAC wide input range accommodates global mains voltages.
How does the XLG-20-M-B compare to the XLG-20-H-B and XLG-20-L-B?
All three share the 3-in-1 dimmable, IP67, 20W-class design. The XLG-20-H-B delivers 700mA over a 40V range; the XLG-20-M-B delivers 500mA over a 50V range at 21W; the XLG-20-L-B delivers 350mA over a 60V range at 18.9W. Match the variant to your LED string's required drive current and forward voltage.
How many LEDs can the XLG-20-M-B drive in a series string?
The constant current output range is 25–42V at 500mA. The number of series-connected LEDs depends on each LED's individual forward voltage — no single LED count applies universally. Verify the full string's total forward voltage sits within 25–42V.
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