19" cabinet frame according to DIN 41494. Bolted frame, completely pre-assembled, self-ventilated, and dismountable. Inside front and rear have 4 x 19" struts (2 front, 2 rear), galvanized, with infinitely variable depth adjustment. Opposite numbering of the height units on the 19" profiles. Delivery does not include front/rear door and side panels for modular, individual assembly. With front and rear door installed, left and right door hinges are possible. Cabinets can be bayed laterally with or without removal of side panels, using a baying connector set, or otherwise screwed together using an M6 screw set. Top and bottom have 4 pre-punched cut-outs for cable entry (450 x 90 mm); for 600 mm cabinet width, cable entry is only at the back. All cabinet parts are completely grounded on the inside, with a pre-mounted grounding rail at the back center of the cabinet. Load capacity is 1000 kg (depths 600 / 800 mm) or 1360 kg (depths 1000 / 1200 mm for over 24U). Paint finish is RAL 7035, light gray / RAL 9005, deep black. Protection class is IP20.