Have you ever heard of power CE certification? Do you know what is the standard of CE certification for power supplies? Power CE authentication Generally contains two aspects. One is the Electromagnetic Compatibility Directive (EMC) and the other is the Low Voltage Directive (LVD).

Power supply EMC standards are EN55022, EN55024. The standard power supply LVD is EN60950. And these power CE certification standards have a series of corresponding parameters, the specific parameters are more, the general certification engineers know more, the general technical personnel do not know it does not matter.

Power MEC test items are: space radiation, magnetic field radiation, power radiation, voltage flicker, harmonics, electrostatic discharge, radiation interference, electrical fast transient pulse group, surge/lightning strike, voltage drop/interruption.

Power supply LVD test items are: power, temperature rise, overload, leakage current, high and low temperature, needle flame test, etc.

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