■ Cabinet layout – R10 and R11 (bottom entry and exit of cables)65432A B171114891210 1013Main switch-disconnector7Cabinet door closedAAC fuses8Cabinet door openBLine contactor (option +F250)9Gratings for cooling air out1Lifting lugs10Operating switch2Drive control unit11Drive control panel3Mounting plate, see section Mountingplate (page 39)12Main switch handle4Behind the shroud: Additional I/O terminal block(option +L504)13Gratings for cooling air in5Additional fan in IP54 cabinets (option +B055)14"Door" fan at the back of the mounting plate.638 Operation principle and hardware description