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Use your company's products, found that the shell actually has a voltage, is this a normal situation? Will it cause harm to the human body?

Release time:

Aug 13,2019

Use your company's products, found that the shell actually has a voltage, is this a normal situation? Will it cause harm to the human body?

Ans:

Due to EMI requirements, the input of the general POWER SUPPLY will be connected to the FG (shell) through some noise filtering capacitors, resulting in the phenomenon that the shell is charged. However, there are also clear specifications for this phenomenon in the IEC60950-1. For example, the leakage current of information equipment must be lower than 3.5mA, which can be solved as long as it is properly grounded.

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Our system uses the output ground (GND) and the earth (FG) as the common point. Is it feasible to apply your company's power supply products?

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Our system uses the output ground (GND) and the earth (FG) as the common point. Is it feasible to apply your company's power supply products?

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