What is leakage current?
When a filters uses capacitors between the conductors and ground, small amounts of current “leak” through the filter to ground. This current can creates an electric shock hazard if the system is improperly grounded, therefore, this current is limited by the international safety agencies to prevent a danger to personal safety.
Leakage current is the capacitive reactive current generated by an EMI filter simply by being energized with ac voltage. This current is directly proportional to the line-to-case capacitance, operating voltage and frequency of the device. This current creates an electric shock hazard, therefore, this current is limited by the international safety agencies to prevent a danger to personal safety.
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