Universal use C14 power socket / switch enclosure / mount. Two versions are available, one for the snap in type socket, one for the m4 screw mounted type.
https://www.aliexpress.com/item/with-10A-fuse-Red-Rocker-Switch-Fused-IEC-320-C14-Inlet-Power-Socket-Fuse-Switch-Connector/32798405330.html
https://www.aliexpress.com/item/Power-Rocker-Switch-IEC-3-Pin-320-C14-Inlet-Power-Sockets-Switch-Connector-Plug-10A-250V/32802047471.html

BOM:

4x M5x40 Hex Socket Cap screw (DIN912)
2x 4mm diameter wood screws for mounting the bottom plate, different/bigger screws can be used by simply drilling out the mounting holes which are 4mm in diameter by default.
2x M4x15 countersunk screws, not necessary for the snap in type socket.