FD-55H-054B Feature Constant current design. 3 in 1 dimming mode:0-10V, PWM, RX. Smoothly dimming(0-100%), can dim to off. TUV CB CE UL FCC Certified PROTECTION:Short Circuit, Open Circuit Surge protection: 4KV. Application LED Advertising Sign, LED Architectural Lighting, LED Commercial Industrial Lighting, LED General Luminaries, Commercial Led Wall Lights. Introduction The document detail the electrical, mechanical and environmental specifications of a 55W constant current LED driver with 0-10V Dimming. This LED drive power supply is suitable only for LED load. Model No. Power(W) Output Voltage(Vdc) Max output voltage(Vdc) Outputcurrent(mA) AC230V Efficiency(Typ.) AC100V Efficiency(Typ.) FD-55H-38x 55 24-38 50 500-1800 88% 86% FD-55H-54x 55 36-54 56 500-1300 88% 87% FD-55H-76x 55 45-76 78 400-1000 88% 87% FD-55H-115x 55 65-115 117 300-750 90% 88% Note x Optional letters A, B, C, D or empty, indicating that the output increases with different optional functions. The default space indicates no other optional function (basic model); A letter indicates that the aluminum shell with three-in-one dimming, B letters that three-in-one dimmable light and fine-tuning current, C letters that plastic shell with three A dimming, D letters that plastic shell base models (no dimming function) Input characteristics Input Voltage 100-277Vac Input Frequency 50-60H