Technical and product information relating to our catalogue of MEAN WELL, VOX, EUCHIPS, ELED and Ecopac products.
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RoHS is the acronym for Restriction of Hazardous Substances. RoHS, also known as Directive 2002/95/EC, originated in th…
The ELG series will work off an input voltage of 100-305Vac, however output de-rates to 70% below 200Vac. Please refer …
At input side, there will be a large transient inrush current during the power on of an SPS. The inrush current is usua…
Noise is directly related to the fan which is build into the power supply. Lowering the airflow of the fan means reduci…
Due to the requirement of EMI, there will be some Y capacitors between line and neutral to the FG (case) to improve EMC…
Yes. Since our products are designed based on isolation concept, it will be no problem that the output ground (GND) and…
No, you can not do this connection because S-320 is not equipped with the parallel function. When two power supplies ar…
YES, basically you can do this to get the right output voltage, but be careful that the rated output current of the ser…
MEAN WELL has ESC, SC, PA, PB series for battery charger purpose (120~360W). If these series does not meet customers' d…
According to the mains voltage of different countries, the output of TN-1500 inverter 110VAC version can be altered to …
Cooling fans have a relatively shorter lifetime (typical MTTF, Mean Time To Failure, of around 5000-10000 hours) as com…
Due to different circuit designs, MEAN WELL power supply's input consists of three types as below:(√2VAC≒VDC)a.85~264VA…
COM (COMMON) means common ground. Please see below: Single output: Positive pole (+V), Negative pole (-V) Multiple outp…
PFC stands for Power Factor Correction. The purpose of PFC is to improve the ratio of apparent power and real power. Th…
On the input side, there will be (1/2 ~1 cycle, ex. 1/120 ~ 1/60 seconds for 60 Hz AC source) large pulse current (20~6…
Some models control the fan based on internal temperature to extend its life time. For example, the Fan ON temperature …
In general there are two circumstances that will cause the power supply to shut down. The first one is the activation o…
There are some minimum-load requirements on MEAN WELL's multi-output power supplies, please refer to the specification …
MEAN WELL's power supply can be used within this frequency range. But if the frequency is too low, the efficiency will …
This statement defines the EMI test setup and load style of MEAN WELL’s enclosed type and PCB type power supply referri…
EN 50172Requirements for emergency escape lighting systemsEN 50294Measurement method of total input power of ballast-la…
Common undesired behaviors when dimming an LED It sounds to be an easy task to dim a light source. Actually there are s…
All MW chargers are designed for lead-acid batteries. Every Lithium battery or other type of battery will have its own …
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