What is PLe?

Performance Level e: Safety for Machine Controls

PLe is the highest classification of Performance Level according to the standard EN ISO 13849-1. This standard deals with the functional safety of machinery and evaluates safety-related parts of control systems. PLe signifies that such a system exhibits extremely high reliability in terms of its protective function, minimizing the risk of a failure that could lead to a hazard. It is typically used for very high-risk applications where serious injuries or fatalities must be prevented.