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Mean Well XLG-320-M-AB Power Supply 310.8W 2800mA 74-148V Constant Power, Adjustable output and Dimmable

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

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XLG-320-M-AB

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The XLG-320-M is a 315W Mean Well power converter (operating temperature: -40~+85℃).

Key Features

✓ DC output voltage adjustable ±10%
✓ 3.75KVAC reinforced I/O isolation
✓ Cooling by free air convection
✓ Wide operating temperature: -40~+85℃
✓ Protections: Short circuit / Over voltage / Over temperature
✓ Active PFC — meets international energy efficiency regulations
✓ Safety approvals: WITHSTAND VOLTAGE ISOLATION RESISTANCE UL8750(type”HL”), CSA C22.2 No. 250.13-12; ENEC BS EN/EN61347-1, BS EN/EN61347-2-13 independent, BS EN/EN62384; GB19510.1, GB19510.14;EAC TP TC 004; IP67
✓ 3 years warranty

Frequently Asked Questions

Can the XLG-320-M-AB drive dimmable mid-voltage LED strings in commercial lighting fixtures?

Yes, the XLG-320-M-AB delivers 310.8W at 2800mA over a 74–148V constant-current range and includes an analog dimming input, making it suitable for commercial fixtures using mid-voltage LED strings that require adjustable output. No external dimmer driver is needed.

Is the XLG-320-M-AB suitable for outdoor architectural LED luminaires with dimming?

Yes, the IP67 waterproof rating and -40°C to +85°C operating range permit outdoor installation, and the dimming interface allows integration with 0–10V or PWM lighting controllers for architectural facade or landscape luminaires in the 74–148V range.

Can the XLG-320-M-AB be used in industrial high-bay or low-bay LED fixtures that need dimming?

Yes, 310.8W at 2800mA with a 74–148V CC range is appropriate for mid-size industrial high-bay and low-bay LED arrays. The built-in dimming input allows light-level adjustment without separate control hardware, useful in sensor-integrated industrial lighting systems.

What LED load requirements must be met to work with the XLG-320-M-AB?

LED strings connected to this driver must have a combined forward voltage between 74V and 148V at the 2800mA operating current. The number of LEDs depends on individual forward voltage values, and total power draw must remain at or below 310.8W.

Can the XLG-320-M-AB be installed in damp or outdoor fixture housings?

Yes, the IP67 rating ensures dust-tight and temporary immersion protection, making the driver appropriate for damp-location fixtures, outdoor luminaires, and enclosures exposed to rain. The -40°C lower limit supports year-round outdoor operation in cold climates.

How does the XLG-320-M-AB differ from the XLG-320-M-DA2 for a dimmable installation?

Both share 310.8W output, 2800mA, and 74–148V CC range. The XLG-320-M-AB uses analog signal dimming (e.g., 0–10V or PWM), while the XLG-320-M-DA2 uses digital DALI2 bus dimming for addressable multi-zone control with a minimum level of 8%. Choose the DA2 variant where DALI2 network infrastructure is required.

Does the XLG-320-M-AB support 277VAC or other high-line mains voltages found in commercial buildings?

Yes, the 142–431VAC input range includes 277VAC single-phase supplies common in North American commercial lighting circuits, as well as 380VAC industrial mains. CB, CE, CCC, UL, EAC, ENEC, and c_rcm certifications confirm suitability for those markets.

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Model	Power	Voltage	Current	IP Rating
Mean Well XLG-320-V-A Power Supply 312W 24V or 216W 12V - Switchable Voltage 13A	312W	24V	13A	IP67	View
Mean Well XLG-320-48-ABV Power Supply 312W 48V 6.5A	312W	48V	6.5A	IP67	View
Mean Well XLG-320-M-DA2 Power Supply 310.8W 2800mA - DALI2 Dimmable	310.8W	180V	2.8A	IP67	View
Mean Well XLG-320-L-DA2 Power Supply 315W 1400mA - DALI2 Dimmable	315W	340V	1.4A	IP67	View
Mean Well XLG-320-H-DA2 Power Supply 312W 5600mA - DALI2 Dimmable	312W	65V	5.6A	IP67	View

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Key Features

✓ DC output voltage adjustable ±10%

✓ 3.75KVAC reinforced I/O isolation

✓ Cooling by free air convection

✓ Wide operating temperature: -40~+85℃

✓ Protections: Short circuit / Over voltage / Over temperature

✓ Active PFC — meets international energy efficiency regulations

✓ Safety approvals: WITHSTAND VOLTAGE ISOLATION RESISTANCE UL8750(type”HL”), CSA C22.2 No. 250.13-12; ENEC BS EN/EN61347-1, BS EN/EN61347-2-13 independent, BS EN/EN62384; GB19510.1, GB19510.14;EAC TP TC 004; IP67

✓ 3 years warranty

Mean Well XLG-320-M-AB Power Supply 310.8W 2800mA 74-148V Constant Power, Adjustable output and Dimmable

Key Features

Frequently Asked Questions

Payment & Security

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Mean Well XLG-320-M-AB Power Supply 310.8W 2800mA 74-148V Constant Power, Adjustable output and Dimmable

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