Available. The Phoenix Contact IBS ST 24 BKM-LK is a modular bus coupler designed for the INTERBUS-ST system, facilitating seamless integration of input/output modules within an INTERBUS network. Operating at 24 V DC, it features an optical fiber F-SMA connector, ensuring high-speed data transmission and robust signal integrity. The device offers IP20 protection, making it suitable for industrial environments where dust and contact with foreign objects are concerns. Its compact dimensions—44 mm in width, 117 mm in height, and 116 mm in length—allow for efficient use of space in control panels. The bus coupler supports a maximum of four input/output modules, providing flexibility in system configuration. It operates at a transmission speed of 500 kBit/s, ensuring reliable communication within the network. The device is equipped with a screw connection method, accommodating conductor cross-sections from 0.2 mm² to 2.5 mm², suitable for various wiring needs. With a typical current consumption of 70 mA (without connected ST I/O modules) and a maximum of 300 mA (for maximum terminal configuration), it offers energy efficiency for extended operations. The IBS ST 24 BKM-LK is an essential component for building modular and scalable automation systems, offering reliable performance and ease of integration.