The Siemens 6ES7138-4GA50-0AB0 is an electronics module designed for the SIMATIC ET 200S distributed I/O system. Featuring four point-to-point IO-Link master interfaces in a compact 15 mm wide housing, this module provides reliable connectivity for a wide range of IO-Link enabled devices. Engineered for industrial environments, the 6ES7138-4GA50-0AB0 ensures stable operation and efficient integration into automated production lines, making it suitable for demanding manufacturing processes where dependable data exchange is critical. Brand: Siemens Compact design with 15 mm width allows for space-saving installation in control cabinets. Supports four independent IO-Link connections, enabling flexible device integration. Siemens quality ensures long-term reliability and seamless compatibility with ET 200S systems.