What this unit is and what it delivers
The Omron S8JX-G01515CD is a 15 W switch-mode power supply from the S8JX series, delivering a regulated 15 VDC output. It is a covered, DIN-rail-mountable unit (configuration code D for DIN rail, C for covered), sized for control-panel integration where a compact, enclosed supply is needed for low-power loads such as sensors, relays, or small controllers.
At 15 W and 15 VDC, this supply is sized for a 1 A continuous load (15 W / 15 V = 1 A). That is enough for a handful of 24 VDC sensors stepped down via a converter, or a dedicated 15 VDC bus for analog transmitters that require a lower rail. The DIN-rail footprint (standard 35 mm rail) means it clips into the same panel profile as contactors and terminal blocks, saving enclosure space compared to a chassis-mount supply.