Description 
  Explosion-protected machines 
84  56100000002002, 01/2016 
Table 3-1  Applicable general regulations 
Dimensioning and operating behavior 
Procedure for determining the losses and the efficiency of 
rotating electrical machines and inspections 
EN / IEC 60034-2-1 
EN / IEC 60034-2-2 
Terminal designations and direction of rotation  EN / IEC 60034-8 
Starting characteristics of rotating electrical machines  EN / IEC 60034-12 
Vibration severity grades 
Efficiency classification of three-phase squirrel-cage in-
3.3  Regulations for explosion-proof machines 
Supplementary regulations for explosion-proof machines 
 
Table 3-2  Regulations applied for explosion-protected machines 
Electrical equipment for hazardous gas atmospheres, 
Part 0: General requirements 
EN / IEC 60079-0 
Electrical equipment for hazardous gas atmospheres, 
Part 7: Increased safety "e" 
EN / IEC 60079-7 
Electrical equipment for hazardous gas atmospheres, 
Part 14: Electric installations for endangered atmos-
pheres (except underground excavation) 
EN / IEC 60079-14 
Electrical equipment for hazardous gas atmospheres, 
Part 15: Type of protection "n" 
EN / IEC 60079-15 
Electrical equipment for hazardous gas atmospheres, 
Part 19: Repairs and overhauls