The Siemens 6ES7138-4FB04-0AB0 is an advanced electronics module designed for the SIMATIC ET 200S distributed I/O system. This module offers 4 fail-safe digital outputs (F-DO) with PROFIsafe support, operating at 24 V DC and handling up to 2 A per channel. With a compact overall width of 30 mm, the 6ES7138-4FB04-0AB0 ensures efficient integration into control panels where space is limited. The module meets rigorous safety standards, supporting applications up to Performance Level E (PL E, ISO 13849) and SIL 3 (IEC 61508), making it suitable for critical safety functions in automated production environments. The 6ES7138-4FB04-0AB0 is compatible with both PROFIBUS and PROFINET configurations, and can be used with the IM 151-3 HF interface module for flexible system architectures. High safety integrity: Supports up to PL E and SIL 3, ensuring compliance with demanding safety requirements. Compact design: Only 30 mm wide, the 6ES7138-4FB04-0AB0 is ideal for installations with limited space. Versatile integration: Functions seamlessly in both PROFIBUS and PROFINET environments with IM 151-3 HF compatibility.