We recently had a customer ask if we recommend earthing the 0VDC from the V- DC output terminal of MEAN WELL DIN rail power supplies. Or, would we recommend leaving the DC output floating, so it is isolated from protected earth?
Power Supplies Australia stocks the MEAN WELL DDRH-60 series of DIN rail DC to DC converters with a wide input voltage range of 150~1500VDC late April.
It is very rare that agood quality LED driver fails because of a manufacturing fault. In most cases the failure is caused by a problem with the installation, or there are some environmental factors at play.