The size of the RAC20NE-K/277/EPID is just 83mm (H) x 26.4mm (W) x 29.5mm (D), and parts are supplied with a clip for tool-less ‘snap-on’ fitting to a fixed DIN-Rail.

Also called an "AC adapter" or "charger," power adapters plug into a wall outlet and convert AC to a single DC voltage. Computers use multiple DC voltages, and the power adapter is the external ...

More information: Haitham Kanakri et al, Capacitorless Solid-State Power Filter for Single-Phase DC-AC Converters, CES ...