The ELG-200-12DA is a 200 watt, 12 volt, single output LED constant voltage driver power supply from Mean Well. It features an ultra-slim case design and is UL, CE, and CB certified. The output voltage is adjustable from 10.8 to 13.2 VDC and it has built-in active PFC function, which can increase the power factor to >0.9. Other features include protections against over voltage, over load, over temperature, and short circuit. The power supply also has an efficiency of up to 90%, making it a highly efficient choice for powering LED lighting applications.