Description: Classification of the devices according to the level of safety; Name: Explosion protection category for devices (electric motor)
Description: Allocation of the devices in accordance with the safety measure; Name: Explosion protection category for devices , electric motor
Description: a specific design within the context of a type, which is generally characterized by its dimensions. A construction can comprise several design (variants), which generally vary in terms of mechanical details; Name: Construction of the connection, muff A2