ELG-150-24DA - LED Power Supply Mean Well - Free user manual and instructions
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| Product Type | LED Power Supply |
| Brand | Mean Well |
| Model | ELG-150-24DA |
| Input Voltage | 100–277 VAC (full range) |
| Output Voltage | 24 VDC |
| Output Current | 6.25 A |
| Output Power | 150 W |
| Dimensions (L x W x H) | 199 x 63 x 37 mm |
| Weight | 0.65 kg |
| Operating Temperature | -30°C to +70°C (derating above 50°C) |
| Protection Rating | IP65 |
| Cooling Method | Free air convection |
| Dimming Control | DALI (digital addressable lighting interface) |
| Output Type | Constant voltage + constant current (CV+CC) |
| Protections | Overvoltage, overcurrent, short circuit, over temperature |
| Safety Standards | UL, CUL, CE, ENEC, EAC |
| Warranty | 5 years |
| Maintenance | Keep clean and dry; periodically check connections |
| Spare Parts | Not user-serviceable; contact authorized service |
Frequently Asked Questions - ELG-150-24DA Mean Well
Can the ELG-150-24DA be used for constant current LED strips?
Yes, it has both constant voltage and constant current modes, selectable via DIP switches. For constant current, set the output current to match your LED strip's requirement.
What is the IP rating and can it be used outdoors?
The ELG-150-24DA has an IP65 rating, meaning it is dust-tight and protected against water jets. It is suitable for outdoor use, but ensure the AC inlet and DC cable entries are properly sealed.
How do I connect multiple ELG-150-24DA units in parallel?
Parallel operation is not recommended as the output current may not share equally. For higher power, use a single larger supply or contact Mean Well for parallel-friendly models.
Can I dim the ELG-150-24DA with a standard TRIAC dimmer?
No, the DA model uses DALI dimming protocol, not TRIAC. You need a DALI controller or a DALI-to-0-10V interface if using 0-10V dimming.
What is the minimum load requirement?
There is no minimum load required. The power supply can operate from zero load to full load.
How do I adjust the output voltage or current?
Use the internal potentiometers (V_ADJ and I_ADJ) accessible after removing the top cover. Turn clockwise to increase, counterclockwise to decrease. Note: adjustments affect constant voltage and current limit.
Is the ELG-150-24DA compatible with emergency lighting systems?
It can be used for emergency lighting if the system requires a 24V DC supply and complies with local regulations. However, it does not have a built-in battery charger. Consult a professional.
What is the input power factor?
The ELG-150-24DA has active PFC (power factor correction) with a typical power factor >0.95 at full load.
How do I install the cables?
Use a screwdriver to open the terminal block. Strip the cable about 8-10 mm, insert into the appropriate terminal (AC-L, AC-N, PE, DC+, DC-), and tighten. Use a proper cable gland for weatherproofing if outdoors.
What does the red LED indicate?
A steady red LED indicates a fault condition: overvoltage, overcurrent, or over temperature. Check the output load and ambient temperature. The unit will automatically recover when the fault is removed.
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