Central plate, studio white, carat, covers for Busch-Infoline, central plate with red and neutral light window and labeling field For alarm signal insert 1515 U-12. For Busch warning detector insert 1563 U-12. For light signal insert 1564 U-1x. With labeling field 61 x 61 mm. Protection class device: IP 20 Dimensions (H x W x D): 63.5 mm x 63.5 mm x 11.1 mm