The Euchner ESM-BA2 is a versatile and reliable safety relay module designed for monitoring safety components in industrial machinery. It is primarily used for emergency stop applications and safety gate monitoring. This compact unit ensures the safe interruption of hazardous movements by evaluating signals from safety devices. The ESM-BA2 supports dual-channel operation, providing a high level of safety up to Category 4 and Performance Level e (PL e) in accordance with EN ISO 13849-1. With its clear LED indicators for status and diagnostics, and easy DIN rail mounting, it is an essential component for building robust and compliant machine safety systems.