Carrier plate for 3 connection sockets of the data technology type Brand-Rex: shielded EKU: E-Stone Dätwyler: KS-T, MS-K and KU-T R&M: Snap-In and Keystone Rutenbeck UM and UMflex SETEC: UKJ and XKJ Siemon TERA Telegärtner AMJ and UMJ. Dimensions of a mounting opening in mm: 19.30 x 14.80.