MEAN WELL HLG-150H-12A 12V 12.5A 150W LED Driver
The MEAN WELL HLG-150H-12A is a 12V LED driver rated at 12.5A and 150W. It combines constant-voltage and constant-current operation with internal adjustment in an IP65 A-type metal housing. Select it for compatible 12V lighting or display equipment after checking the load requirements.
Product parameters
| Parameter | Specification |
|---|---|
| Model | HLG-150H-12A |
| Rated output | 12V, 12.5A, 150W |
| Constant-current region | 6–12V |
| AC input | 90–305VAC |
| Typical efficiency | 91.5% |
| Output adjustment | Internal voltage and current potentiometers |
| Enclosure rating | IP65, A type |
| Dimensions (L × W × H) | 228 × 68 × 38.8mm |
The “12A” model suffix means the 12V A-type version; it is not a 12A rated-current label. Use the linked PDF for adjustment ranges and thermal limits.
Product images and documents


Meanwell HLG-150H 12A Switching Power Supply Specification
Frequently asked questions
1. Does HLG-150H-12A mean a 12A output?
No. The model is the 12V version with the A function suffix. Its rated output current is 12.5A and rated power is 150W.
2. Can it power 12V LED display equipment?
It can be considered when the equipment requires 12V and its current, power and operating conditions fit the driver’s ratings. Check wiring and load behavior before replacing an existing supply.
3. Does the A version have external dimming wires?
The A version uses internal potentiometer adjustment. Do not assume it provides the external 3-in-1 dimming interface associated with other suffix versions.
4. Is the 6–12V constant-current region an adjustment range?
No. It describes the voltage region for constant-current operation. Use the separate voltage-adjustment specification when setting the output voltage.





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