English
Firstly, you are supposed to consider the load characteristics. In order to improve the reliability of the system, it is recommended that the switching power supply work at 50% -80% load, that is, assuming that the power used is 20W led lights, the switching power supply with an output power of 25W to 60W led power supply should be selected.
So far, most of our UL listed led power supply has the protection functions: over-voltage protection (OVP), over-temperature protection (OTP), over-load protection (OLP), etc.
Application functions: signal function (normal led driver, power failure), remote control function, telemetry function, parallel function, etc.
Special functions: power factor correction (PFC) and efficiency.
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