The functional unit of the TeSys LRD 01 to LRD 038 is to detect overload currents in order to protect the load for 20 years. This range consists of thermal overload relays for utilization currents between 0 and 38 A. The representative product used for the analysis is TESYS D THERMAL OVERLOAD 2.5-4.0A CL10A. The environmental impacts of this referenced product are representative of the impacts of the other products of the range which are developed with a similar technology. The environmental analysis was performed in conformity with ISO 14040.