The Rittal quick change frame use for roof-mounted cooling units. Together with the seal, the lower part of the frame is screw fastened to the enclosure. In this way, it is possible to install and remove the connector-ready cooling unit with the upper part of the alternate frame previously mounted on the cooling unit with quick-release fasteners. It offers effective protection against the ingress of oil into the enclosure in oily atmospheres, due to its integral drainage trough. It is use for cooling unit SK 3386/3387.
