... :OVP,OCP,SCP 2. output 520w max 3. input 100-240vac 50-60Hz 4. high guality and efficiency 520w lcd monitor open frame ... for GPE)Safety standardEN60065 / EN60950EMC standardEN55022 CLASS BEN61000 30203EN61000-4-2,3,4,5,6,11ENV50204 ProtectionsOVP,OCP,SCP Output voltageNor ... variety of power products OEM/ODM production and processing. 520w lcd monitor open frame with EMC