The SIMATIC S7-300 Connection Module TPA 3-tier (6ES7924-0CC21-0AC0) is a three-tier connection module from Siemens, \ndesigned for analog modules in SIMATIC S7-300 systems. It features push-in terminals and a 16-pole IDC connector, without LED indicators. \nWith a net weight of only 0.120 kg, its compact design ensures space-saving installation in control cabinets. \nThe module is used to connect analog modules to SIMATIC S7-300 systems, simplifying wiring and enhancing system reliability. \nIt is applied in industrial automation systems, particularly for managing and connecting analog signals.