The AEC 02 is a commercial version of the VG95234 plug.
Receptacles that have the same flange design as wall mounts. Box mounts however, do not come equipped with accessory threads, which allows for a more compact rear profile. Since these receptacles are typically mounted to enclosures the backend is protected. Easy panel mounting of this reverse bayonet receptacle combined with a low profile for confined spaces. A cover is recommended to protect the contacts when the receptacle is not in use.