The MEAN WELL ELG-100-48AB combines local voltage/current adjustment with external 3-in-1 dimming for compatible LED loads. Its nominal output is 48V with a rated current of 2A. The IP65 AB version supports both constant-voltage and constant-current operation.
ELG-100-48AB specifications
| Parameter | Specification |
|---|---|
| Rated voltage | 48V |
| Rated current | 2A |
| Rated power at 200–305VAC | 96W |
| Rated power at 100–180VAC | 70W |
| Constant-current region | 24–48V |
| Voltage adjustment | 43.2–52.8V |
| Current adjustment | 1–2A; observe the input-dependent power limit |
| Continuous AC input | 100–305VAC, 47–63Hz |
| Typical efficiency | 90% |
| Dimming | 3-in-1: 0–10VDC, 10V PWM signal or resistance |
| Ingress protection | IP65 (AB type) |
| Dimensions (L × W × H) | 199 × 63 × 35.5mm |
| Working case temperature | −40 to +90°C; follow output-load derating |
Values are from the linked ELG-100 specification’s 48V column and AB function table. Although the series description mentions 360VAC, the electrical table specifies continuous operation at 100–305VAC, 320VAC for 24 hours and 360VAC for one hour. Use the continuous range for normal selection and consult the static-characteristic curve.
Adjustment and dimming control
The AB suffix provides built-in potentiometers plus an external dimming input. Match the control signal and wiring to the datasheet’s dimming instructions. DALI and smart-timer options are separate function versions and are not implied by the AB suffix.
Frequently asked questions
Is ELG-100-48AB rated for 100W?
The linked specification rates the 48V model at 96W for 200–305VAC input and 70W for 100–180VAC. ELG-100 is the series designation.
Which dimming signals does ELG-100-48AB accept?
Its 3-in-1 dimming option accepts 0–10VDC, a 10V PWM signal or resistance. Follow the datasheet connection instructions and confirm controller compatibility.
What does the AB suffix add?
It combines built-in voltage/current adjustment with external 3-in-1 dimming. The AB version is specified as IP65.
Can it operate continuously at 360VAC?
The electrical table specifies 100–305VAC for continuous operation. It separately lists 320VAC for 24 hours and 360VAC for one hour; these are not the normal continuous-input rating.
Product images and specification download


Meanwell ELG-100-48AB Single Output Power SuppliesSpecification









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