Single Output Open Frame Constant Current LED Drivers with Pfc Function (9~21Watts)

Features: 
-Built-in active PFC function, PF>0.9 for 100% load 
-High efficiency with PFC function 
-High reliability 
-Universal input 
-Protections function: Short Circuit, OLP, OVP etc 
-Suitable for LED lighting and moving sign applications 
-IP67 or IP65 
-3 in 1 dimming selectable 
-Timer dimming function 
-Current adjustable 
-Two stage PFC 
-Warranty: 3~5 years 

Electrical specifications: 
-4KV lightning meet standards (IEC61000-4-5) 
-Wide range of DC output 
-Input voltage range: 90 to 277V AC 
-Input frequency: 47~63Hz 
-Input current: 0.5A Max 
-Inrush current: 20A Max 
-Constant current precision: ± 5% Max 
-Dielectric withstand: I/P-O/P: 3750 Vac 
-THD: 10% 
-MTBF: Up to 50, 000 hours lifetime 
-Output voltage: 8~54V 
-Setup time: 2 second at nominal line 

Environment parameters: 
-Operation temperatures: -35 to 70° C 
-Storage temperatures: -40 to 85° C 
-Operation humidity: 5 to 90% RH 
-Storage humidity: 5 to 95% RH 
-Cooling mode: Air cooling 
-Safety approval: EN 61347, UL 8750 and GB 19510 
-EMC standards: EN 55015, EN 61547, EN 61000, GB 17743 and GB 17625 

Applications: Ceiling lamp, panel light, track lamp and advertising lamp box