BS EN 50347:2001
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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General purpose three-phase induction motors having standard dimensions and outputs. Frame numbers 56 to 315 and flange numbers 65 to 740
Hardcopy , PDF
English
15-09-2001
10-08-2022
1 Scope
2 Normative references
3 Letter symbols and dimensional sketches
3.1 Letter-symbols for dimensions
3.2 Dimensional sketches
4 Letters for frame sizes and flange numbers
5 Location of the terminal box
5.1 Machines with feet
5.2 Machines with flange only
6 Position of holes in the mounting flange (when
machine also has feet)
7 Fixing dimensions and tolerances
7.1 Foot-mounted machines
7.2 Flange-mounted machines
7.3 Shaft end dimensions
7.4 Parallelity of shaft to foot-face
7.5 Parallelism of keyway to shaft axis
7.6 Lateral displacement of keyway
8 Methods of measurement
8.1 Shaft extension run-out
8.2 Concentricity of spigot and shaft
8.3 Perpendicularity of mounting face of flange to shaft
8.4 Parallelity of shaft to foot-face
8.5 Parrallelism of keyway to shaft axis
8.6 Lateral displacement of keyway
9 Relationships frame sizes - shaft extensions - rated
outputs - flange numbers
Covers general purpose standard dimensioned three-phase induction motors for 50 Hz with rated voltages not exceeding 690 V for industrial purposes.
| Committee |
PEL/2
|
| DevelopmentNote |
Supersedes BS 5000-10(1978) and 01/202920 DC (09/2001) Together with BS 4999-103(2004) supersedes BS 4999-103(1987) Together with BS 4999-141(2004) supersedes BS 4999-141(1987) (04/2004)
|
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| DIN EN 50347:2003-09 | Identical |
| I.S. EN 50347:2001 | Identical |
| NF EN 50347 : 2001 | Identical |
| EN 50347:2001 | Identical |
| NEN EN 50347 : 2001 | Identical |
| NBN EN 50347 : 2002 | Identical |
| UNE-EN 50347:2003 | Identical |
| BS 4999-141(2004) : 2004 | GENERAL REQUIREMENTS FOR ROTATING ELECTRICAL MACHINES - PART 141: SPECIFICATION FOR STANDARD DIMENSIONS |
| DEFSTAN 02-632/2(2004) : 2004 | REQUIREMENTS FOR AC AND DC MOTORS |
| BS 4999-103:2004 | General requirements for rotating electrical machines Specification for symbols |
| BS 5000-11(1973) : 1973 | SPECIFICATION FOR ROTATING ELECTRICAL MACHINES OF PARTICULAR TYPES OR FOR PARTICULAR APPLICATIONS - PART 11: SMALL-POWER ELECTRIC MOTORS AND GENERATORS |
| EN 20273:1991 | Fasteners - Clearance holes for bolts and screws (ISO 273:1979) |
| IEC 60072-1:1991 | Dimensions and output series for rotating electrical machines - Part 1: Frame numbers 56 to 400 and flange numbers 55 to 1080 |
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