Specification parameter: Type number: CW300-63F90 power: 18W Input voltage: AC90-265V frequency range: 50-60Hz Output voltage: DC40-63V output current: 300mA Efficiency: 89% PF value: 0.55 Working temperature: -30-50, working humidity: 10-90%RH Storage temperature: -40-80 Structure size: Power supply size: 88*38*22mm shell material: PC flame retardant plastic shell Protection level: IP30 Input wire: AWG22 Brown & Blue (120mm) Output wire: AWG22 Red & black terminal set (250mm) Application range: Led ceiling lamp power supply, led ceiling lamp power supply, LED panel light power, led downlight power supply, LED lamp power supply, led track light power, led mining lamp power constant current LED driver source lighting engineering. Product features: 1 this product is a separation scheme power supply, the use of constant current chip design, high conversion efficiency, low temperature rise, constant current high accuracy. 2 built-in anti electromagnetic interference filter circuit, good anti-jamming performance, high reliability. 3 small DC ripple, high efficiency, low standby power consumption, low heat, long service life. 4 products using well-known brands of raw materials, effectively ensure the quality of the product. 5 wide input voltage range, (90-265V) in accordance with the global standards. 6 good insulation performance, high resistance to electric strength. (pressure 3750V). 7 products with short circuit, overload, over-voltage and no-load protection function, automatic recovery after falling. 8.100% full load aging test. 9 all materials are not included (and not beyond the provisions of the limits) of the European limits / disable cadmium, chromium, lead, mercury, PBB, PBDE six kinds of toxic substances. 10 first class insulation performance is good, high frequency transformer 100% uses vacuum penetration. Note: 1 do not connect the input and output, so as to avoid the LED power supply. 2 LED power supply must be used in the right environment, in the harsh environment of the work may shorten the life of the power supply. 3 in order to achieve the best cooling effect, LED power supply is recommended for the installation of good air circulation. 4 please correct matching power source and light source, so as to avoid the lamp can't work or damage the lamp and power, cause damage.