You really don’t need to pay the best part of $1000 just to get a power supply that can charge a battery, switch over to the battery if the AC fails and trigger an alarm if the battery is getting low.
In some of the MEAN WELL LED driver data sheets you will come across the description “Constant Voltage + Constant Current mode output”.
Fan-cooled power supplies may fail if used in outdoor LED signage.
Customers are advised that there is to be a change to the style of labels used on certain models of MEAN WELL LED drivers.
A single DALI system has 64 static addresses that can be used to control devices, such as DALI dimmable LED drivers.
Over the last couple of years MEAN WELL has introduced several new models of power supplies right across the range.
Connecting multiple LEDs to a constant current LED driver in parallel is not recommended.
When installing multiple MEAN WELL LED drivers at a single location, it is important that you don’t stack them on top of each other.
The data sheet for the MEAN WELL DRC-100 DIN rail power supplies, with battery charging doesn’t mention any battery specifications.