We are sometimes asked what is the rated inrush current duration of a MEAN WELL power supply? This can be a tricky question to answer.   MEAN WELL only publishes inrush current duration and recommended circuit breaker loading for their LED drivers. This …

This is a question we were recently asked by one of our customers, who had initially selected a MEAN WELL LDB-L DC to DC LED driver for use in a 12-volt solar/battery off-grid setup. The customer was trying to figure out how to activate the dimming …

We sometimes take calls from customers with a MEAN WELL battery charger in their caravan, which does not show a light when it is powered up. Theoretically speaking, this should not be possible.    MEAN WELL NPB-360-24TB   There should be a green light if …

The MEAN WELL A300 series modified sine wave inverter gives you a remarkable level of functionality at a low cost. If you are on a tight budget it is certainly worth consideration. The MEAN WELL A300 series inverter is a modified sine wave inverter. It is …

We were contacted by a customer wanting to use the MEAN WELL DDR-120B-48 to convert a 24V source to power a 30W, 48V power injector for another piece of equipment. The customer wanted advice on an appropriate circuit breaker for the system and wanted some …

Some applications require an inverter that can accept a negative (–v) voltage input. For example, we were recently contacted by a customer who needed an inverter that could accept a –48V input. This was for a telecommunications application and the power …

A customer contacted Power Supplies Australia, who was working on a project with LED luminaires, which were powered by 2 x MEAN WELL ELG-240-C1050DA LED drivers .      MEAN WELL ELG-240-C Series LED Driver   The LED driver data sheet provided the customer …

Power Supplies Australia was recently contacted by a customer who wanted to know if he could connect the negative output of a MEAN WELL MPM series power supply to earth ground?  The customer also wanted to know if he could connect together the negative …

You may have noticed that in the data sheets of some MEAN WELL battery chargers, it states that the charger can be used for Lithium-ion batteries, and to contact MEAN WELL for further information. Power Supplies Australia can advise if your MEAN WELL …

We were asked by a customer that uses  MEAN WELL power supplies  in many of their products if they needed to fuse the negative output cable in a 24VDC floating power supply, and if so why?   The customer was only fusing the positive side, but their client …