Features 1、INTELLIGENT PROTECTION FUNCTION: Come with multiple intelligent protection, contain over voltage, overload, over current, short circuit protection 2、ALUMINUM ALLOY SHELL: Aluminum alloy shell is durable, resistant to oxidation, corrosion and rust, thickened and reinforced 3、SELF COOLING TYPE: Cellular hole heat dissipation, quiet and energy saving. The cooling fan type is self cooling 4、SUITABLE FOR HIGH END PLACES: Magnetic lamp switching power supply is suitable for high end places such as hotel lobbies, KTV, leisure centers, meeting rooms, etc. 5、SINGLE PHASE POWER SUPPLY: Modulation method adopts pulse width modulation(PWM), half bridge transistor connection, single phase power supply Specification Item Type: LED Switching Power Supply Type: AC or DC power supply Modulation Method: Pulse width modulation (PWM) type Transistor Connection Mode: Half bridge Input Voltage: AC180-250 (V) Working Frequency: 50/60 (Hz) Output Voltage: 48V Work Efficiency: 90 (%) Output Ripple Noise: 50-60 Output Voltage Accuracy: ±0.5 (%) Voltage Adjustment Rate: ±1 (%) Load Regulation Rate: 2 (%) Working Temperature: -40~+70 (℃) Power Phase Number: Single phase Installation Method: Screw fixed Cooling Fan Type: Self cooling type Package List 1 x LED Switching Power Supply