Standards and specifications
Flameproof motors conform to the following standards and specifications:
| DESCRIPTION | INTERNATIONAL IEC | EU CENELEC |
|---|---|---|
| Electrical rotating machines/rated operation and characteristic data | IEC 60034-1 | EN 60034-1 |
| Methods for determining losses and efficiency of rotating electrical machines | IEC 60034-2 | EN 60034-2 |
| Protection types rotating electrical machines | IEC 60034-5 | EN 60034-5 |
| Cooling methods of rotating electrical machines | IEC 60034-6 | EN 60034-6 |
| Construction types of rotating electrical machines | IEC 60034-7 | EN 60034-7 |
| Terminal markings and direction of rotation for electrical machines | IEC 60034-8 | EN 60034-8 |
| Noise emission, limit values | IEC 60034-9 | EN 60034-9 |
| Start-up behaviour of squirrel-cage motors at 50 Hz up to 660V | IEC 60034-12 | EN 60034-12 |
| Vibration severity of rotating electrical machines | IEC 60034-14 | EN 60034-14 |
| Protection level provided by enclosures for electrical equipment against mechanical impact (Code IK) | IEC 60068-1, IEC 60068-2-75 | EN 60068-1, EN 60068-2-75 |
| Fixing dimensions and outputs for IM B3 | IEC 60072 | EN 60072 |
| Fixing dimensions and outputs for IM B5, IM B14 | IEC 60072 | EN 60072 |
| Cylindrical shaft ends for electrical machines | IEC 60072 | EN 60072 |
| Electrical equipment for hazardous areas General provisions | IEC 60079-0 | EN 60079-0 |
| Electrical equipment for hazardous areas Flame-proof enclosure “d” | IEC 60079-1 | EN 60079-1 |
| Electrical equipment for hazardous areas Increased safety “e” | IEC 60079-7 | EN 60079-7 |
| Equipment with protection type “t” for use in the presence of flammable dusts | IEC 60079-31 | EN 60079-31 |
| DESCRIPTION | INTERNATIONAL IEC | EU CENELEC |