AC/DC Switching Power supply with 12W Maximum Output Wattage and Short-circuit Protection have UL,CSA,CE,TUV,GS,BS,SAA,PSE,EK,

Key Specifications Maximum output wattage: 12W AC input voltage: 100 to 240V (maximum 90 to 264V AC) AC frequency: 47 to 63Hz DC output voltage: 3V (minimum); 24V (maximum) (selectable) DC output current: 0.3A (minimum); 2A (maximum) (selectable) Features: No load power consumption: less than 0.3W Efficiency: more than 72% at 100V AC, more than 78% at 220V AC Ripple and noise: 50 to 150mVp-p Working temperature: 0 to 50 degree Celsius (maximum) Noise: 50dB (maximum) Leakage current: less than 0.25mA Short-circuit protection Over-current protection Over-voltage protection Open-circuit protectionHumidity: Operating humidity: 15 to 95% RH Storage humidity: 5 to 95% RH Hi-pot test: 3,850V AC (primary-secondary) MTBF (mean time between failure) 50,000 hours at 25CPacking: PE bag and white box Applications: DVD, LCD and TV, MP3/MP4 players, GPS, digital cameras, CCTV, A/V products, cellphone charger, network information, security equipment, small home appliances, and more Certifications: UL, cUL, FCC, CCC, CE, BS, CB, GS, FCC, UL, EK, SAA, CSA, PSE, S-mark, and CEC  EN61558 EN 60950 EN 60065 UL 1310 Standard