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Mean Well XLG-20-H-B 21W 700mA 18-30V Constant Current LED Driver, 3 in 1 Dimmable

metal caseeconomical100~305VAC wide range inputefficiency up to 90%

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XLG-20-H-B

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The XLG-20-H 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

Frequently Asked Questions

Can the XLG-20-H-B be used in a dimmable LED downlight application where the dimmer type is not fixed?

Yes. The XLG-20-H-B supports 3-in-1 dimming (PWM, 0–10V, and resistance), making it flexible for installations where different dimmer protocols may be in use. It delivers 21W at 700mA constant current within an 18–30V CC range.

Is the XLG-20-H-B suitable for powering LED modules inside outdoor landscape fixtures?

Yes. The IP67 waterproof rating and operating temperature of -40°C to +80°C make the XLG-20-H-B appropriate for outdoor landscape fixtures exposed to rain and temperature extremes. Its compact 95 × 63 × 30mm case fits into most outdoor housing designs.

Can the XLG-20-H-B drive a small LED array used in retail display or accent lighting?

Yes. At 21W with 3-in-1 dimmability, the XLG-20-H-B suits accent or retail display LED arrays where dimming control is desired. The LED load must operate within the 18–30V constant current region.

How many LEDs can the XLG-20-H-B support in a series string?

The driver maintains 700mA constant current across an output voltage range of 18–30V. The number of LEDs in the string is determined by each LED's forward voltage — the combined string voltage must fall within the 18–30V CC window.

What is the difference between the XLG-20-H and the XLG-20-H-B?

Both models are rated 21W at 700mA with an 18–30V CC range and IP67 protection. The XLG-20-H-B adds 3-in-1 dimming capability (PWM, 0–10V, and resistance), while the XLG-20-H is a fixed-output version without a dimming interface.

Can the XLG-20-H-B power LED modules in a cold outdoor environment or freezer application?

Yes. The driver operates down to -40°C and carries an IP67 waterproof rating, making it suitable for cold-chain, freezer cabinet, or cold outdoor environments where condensation and low temperatures are a concern.

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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

Mean Well XLG-20-H-B 21W 700mA 18-30V Constant Current LED Driver, 3 in 1 Dimmable

Key Features

Frequently Asked Questions

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Mean Well XLG-20-H-B 21W 700mA 18-30V Constant Current LED Driver, 3 in 1 Dimmable

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