The invention relates to a multi-purpose connector produced in two pieces, withthree distal and two proximal attachments which are arranged concentricallyin one another and coaxially with respect to one another and are of different configurations,and with a ventilation channel. The multi-purpose connector is used in gravity-controlledand pump-assisted enteral nutrition and serves for attaching transfer systemsto storage containers, in particular to containers holding nutrients and balanceliquid, which have differently configured openings. The invention also relatesto a set for enteral application, composed of a transfer system and of the multi-purposeconnector according to the invention, and in addition to the use of the multi-purposeconnector or of the set.