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Is the on/off switch connected to the input or output side of the power supply?
Is the on/off switch connected to the input or output side of the power supply?
2021-07-09

It's okay to put both side of power supply. But it's better to put it on input side, In this case, as soon as the switch is turned off, equivalent to entire circuit is powered outage.


led power supply 220/12v


If you put the on/off switch on the output side, although the switch is powered off, the led drive power supply is still working on standby with the lowest loss, and the power supply is under working states, one of the positive and negative lines of the output is still connected to the led universal power supply,there will be a small amount of residual electricity when the lights are turned off at night, you can see a little bit of very faint light. at this time. So it is not recommended to connect the switch to the output side of led power supply 220/12v.


Welcome to send your confusion to steven@smartselectronic.com.cn for detailed reply about the connection of led power supply.

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