Knowledge Base

Technical and product information relating to our catalogue of Mean Well, VOX, EUCHIPS, ELED and Ecopac products.

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Safety Standard

What is RoHs?

24/09/20
Technical Question

What is the input voltage of the ELG series?

21/09/20
Technical Question

Would it be possible to reduce the noise of a fan?

21/09/20
Technical Question

How to select the correct circuit breaker or fuse for MEAN WELL SPS?

21/09/20
Technical Question

If we need a 600W output, can we use two units of S-320 connected in parallel?

21/09/20
Technical Question

The output ground (GND) and frame ground (FG) is the same point in my system, can MEAN WELL's power supplies be used in such system?

21/09/20
Technical Question

If we need a 24V output power supply, can we use two 12V power supplies connecting in series instead of one 24V power supply?

21/09/20
Technical Question

During the operation of your power supply, there is some leakage current on the case. Is this normal? Will this leakage current hurt the human body?

21/09/20
Technical Question

What is the fan control mechanism for SPS with cooling fan?

21/09/20
Technical Question

I have an TN-1500 inverter. Why is the LED indication of AC IN not lit after mains input has been applied?

21/09/20
Technical Question

How do we choose a power supply to charge a battery?

21/09/20
Technical Question

What is the difference between -V and COM which are marked on the output side?

21/09/20
Technical Question

What is "Inrush Current"? and What will we notice?

21/09/20
Technical Question

What is PFC?

21/09/20
Technical Question

In MEAN WELL's catalog, we see AC and DC at input, what does this mean?

21/09/20
Technical Question

Why is the fan is not running after turning on certain models?

21/09/20
Technical Question

Why did the power supply shut down during operation and after turning it off, I can't restart the power supply again?

21/09/20
Technical Question

When testing a dual output power supply, the +5V channel is correct, but the +12V channel is over the specification. What is going on?

21/09/20
Technical Question

Can MEAN WELL's power supply be used in the range of 45Hz ~ 440Hz? If YES, what will happen?

21/09/20
Technical Question

How do Mean Well test for Electro Magnetic Interference (EMI) ?

21/09/20
Safety Standard

Safety Standards

09/09/20
Technical Question

How to select a LED driver to DIM LED Strip?

06/06/19
Technical Question

Can MEAN WELL chargers be used in conjunction with a Lithium battery or other type of battery?

06/06/19

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