Description
3.3 Design
1MB..5/6 shaft height 71 ... 355
Operating Instructions, 07/2020, A5E41926185A
23
3.3 Design
3.3.1 Regulations
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 60034-2-2
GOST R IEC 60034-2-2
Terminal designations and direction of rotation
Integrated thermal protection
Starting characteristics of rotating electrical machines
Vibration severity grades
Efficiency classification of three-phase squirrel-cage induc-
tion motors
Table 3- 2 Regulations applied for explosion-protected machines
Electrical equipment for hazardous zones - Part 0: General re-
quirements
Electrical equipment for hazardous gas atmospheres – Part 1:
Device protection provided by flameproof enclosure "d"
Electrical equipment for hazardous gas atmospheres, Part 7:
Equipment protection provided by increased safety "e"
Electrical equipment for hazardous zones - Part 14: Electrical
installations design, selection and installation
Electrical equipment for hazardous gas atmospheres, Part 15:
Equipment protection provided by increased safety "n"
Electrical equipment for hazardous zones - Part 17: Checking
and maintaining electrical installations
Electrical equipment for hazardous zones - Part 19: Repairs and
overhauls
Potentially explosive atmosphere - Part 31: Device dust explo-
sion protection by enclosure "t"
Directive regarding the harmonization of legislation of the
Member States for devices and protection systems for correct
2014/34/EU