PS4D is LRS-75-12 (Mean Well) power supply unit with rated output voltage increased from 12 V to 13.8 V by means of original output potentiometer.
PS4D is dedicated to installation in RACS 5 system, particularly to supply MCX2D and MCX4D expanders and PSD4D power distributors but it can also be used for other applications if its nominal conditions of use are satisfied.
The PSU is dedicated to installation inside enclosure and can be installed only by qualified technician with all necessary certificates concerning connection and maintenance of 230 VAC and low voltage networks. ME-15, ME-16, ME-17 and ME-40 (Roger) metal enclosures are factory adapted to installation of PS4D.