Why is important to know the "Inrush Current"?

Each time the power supply is turned on; there will be a large "Inrush Current". This is the inherent property of all Switching Power Supplies. Depending on the design, the Inrush current is limited to 40A, 60A or 80A. It will return back to its normal current rating immediately. Although the inrush current is high it will not damage the supply as the internal components are designed to handle these large pulse currents but it is not advisable to switch On/Off the PS very frequently as this may cause the AC Source circuit breaker to get into protection mode due to large Pulse current.

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