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BS EN 50347:2001

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

General purpose three-phase induction motors having standard dimensions and outputs. Frame numbers 56 to 315 and flange numbers 65 to 740

Available format(s)

Hardcopy , PDF

Superseded date

10-08-2022

Superseded by

BS EN IEC 60072-1:2022

Language(s)

English

Published date

15-09-2001

€156.59
Excluding VAT

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Superseded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
UNE-EN 50347:2003 Identical
DIN EN 50347:2003-09 Identical
I.S. EN 50347:2001 Identical
SN EN 50347 : 2001 Identical
NF EN 50347 : 2001 Identical
EN 50347:2001 Identical
NEN EN 50347 : 2001 Identical
NBN EN 50347 : 2002 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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