The Siemens 6ES7138-4FR00-0AA0 is an advanced electronics module designed for integration with the ET200S system. With a compact 30 mm overall width, this module offers a single relay output (2 normally open contacts) that supports both DC and AC loads. The 6ES7138-4FR00-0AA0 handles an output current of up to 5 A and accommodates a load voltage ranging from 24 V DC to 24–230 V AC, providing flexibility for various industrial automation applications. This electronics module is suitable for safety-related applications and meets stringent standards up to Category 4 (EN 954-1), SIL3 (IEC 61508), and PLE (ISO 13849), when used in combination with appropriate fail-safe modules such as the 6ES7138-4FB02-0AB0. Its robust design ensures reliable operation in demanding production environments, making it a dependable component for maintaining uptime in automated processes. Brand: Siemens Supports high safety standards up to SIL3 and PLE for critical control systems Compact 30 mm width, ideal for space-limited installations Handles both DC and AC voltages for versatile application