The Siemens 6ES7138-4FA02-0AB0 is an electronic module designed for integration within SIMATIC ET200S distributed I/O systems. This module supports 4 or 8 PROFIsafe digital inputs at 24V DC, making it suitable for safety-related applications up to Category 4 (EN954-1). With a compact 30 mm width, the 6ES7138-4FA02-0AB0 is ideal for installations where space is limited and reliable signal processing is critical. The module is compatible with both PROFIBUS and PROFINET networks when used in combination with the IM151-3 HF interface module, offering flexibility for modern production lines. Brand: Siemens Supports PROFIsafe functionality for enhanced safety up to Category 4 Flexible use in both PROFIBUS and PROFINET networks with IM151-3 HF Fast delivery from a large inventory of high-quality, reliable products