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 …

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 …

Choosing a suitable LED driver for your lighting needs can be a tedious and confusing undertaking due to a great number of choices available in the market.  Typically, you can simplify your selection process by identifying your application requirements. …

The MEAN WELL NSP 1600/3200 series is a type of single output enclosed type AC to DC power supply with Power Factor Correction (PFC) function.  What is Power Factor Correction and Its Benefits?   PFC is a performance metric that applies to power supplies …

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 …

Many power supplies in the MEAN WELL range are adjustable. With some models, you can adjust the output voltage, with others you can adjust the output current, and with some, you can adjust both.      In this blog post the term ‘ adjustable ’ means a power …

The NGE100 Series is the one-stop shop for travellers' charging needs, with fast & quick charging capabilities for smartphones, tablets, wireless headphones and portable gaming systems.   As European legislation comes into effect, many major consumer …

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 …

MEAN WELL LED Drivers are switch-mode power supplies designed specifically to power LED lighting. Like all switch mode power supplies, MEAN WELL LED Drivers have an inrush current rating that is shown in the datasheet, typically around 40 to 70 amps and …