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Why is the LED On My MEAN WELL Battery Charger Not Illuminated When Switched On?
3rd February 2022
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.
Low Cost Inverters
4th November 2021
The MEAN WELL A300 series modified sine wave inverter gives you a remarkable level of functionality at a low cost.
How to Test If It Is the LED Driver or Luminaire That Has Failed
8th October 2021
When a LED light fails the presumption that is often made is that the LED driver has failed.
What Size Circuit Breaker should be used with the MEAN WELL DDR-120B-48?
8th October 2021
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.
Inverters that Accept a Negative Voltage Input
7th October 2021
Some applications require an inverter that can accept a negative (–v) voltage input.
WHAT IS THE BEST INVERTER TO RUN MY CARAVAN?
3rd August 2021
We think the MEAN WELL TN series inverters are the best for caravans.
How Many LED Drivers Can be Used with a D Type Breaker?
24th June 2021
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.
Can I Connect the Negative Output of a MEAN WELL Power Supply to Earth Ground?
8th April 2021
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?
Charging Lithium-ion Batteries with MEAN WELL Battery Chargers
Battery Chargers
8th April 2021
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.
Do I Need to Fuse the Positive and Negative Sides of a 24VDC Floating Power Supply?
2nd December 2020
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?
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