EN 50347:2001

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

This EN 50347 covers general purpose standard dimensioned three-phase induction motors for 50 Hz with rated voltages not exceeding 690 V for industrial purposes having dimensions selected from IEC 60072-1 in the range : Frame numbers - shaft-heights : 56 mm to 315 mm Flange numbers - pitch circle diameter of flange : 65 mm to 740 mm It gives tables of fixing dimensions, shaft extension dimensions and output powers.

Drehstromasynchronmotoren für den Allgemeingebrauch mit standardisierten Abmessungen und Leistungen - Baugrößen 56 bis 315 und Flanschgrößen 65 bis 740

Moteurs à induction triphasés à usage général de dimensions et puissances normales - Désignation des carcasses entre 56 et 315 et des brides entre 65 et 740

La présente EN 50347 s'applique aux moteurs à induction triphasés, à usage général, de dimensions normales, de puissances assignées inférieures ou égales à 690 V, à 50 Hz, pour usage industriel et dont les dimensions ont été choisies parmi celles de la CEI 60072-1, dans la plage : Désignation des carcasses - hauteurs d'axe : de 56 mm à 315 mm Désignation des brides - diamètre du cercle des trous dans la bride : de 65 mm à 740 mm Elle donne les tableaux des dimensions de fixation, des dimensions des bouts d'arbre et des puissances.

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

General Information

• Status: Published
• Publication Date: 02-Jul-2001
• Withdrawal Date: 29-Feb-2004
• ICS: 29.160.30 - Motors
• Technical Committee: CLC/TC 2 - Rotating machinery
• Drafting Committee: IEC/TC 2 - IEC_TC_2
• Parallel Committee: IEC/TC 2 - IEC_TC_2
• Current Stage: 6060 - Document made available - Publishing
• Start Date: 03-Jul-2001
• Completion Date: 03-Jul-2001
• Ref Project: SIST EN 50347:2002 - General purpose three-phase induction motors having standard dimensions and outputs - Frame numbers 56 to 315 and flange numbers 65 to 740

Relations

• Replaced By: EN IEC 60072-1:2022 - Rotating electrical machines - Dimensions and output series - Part 1: Frame numbers 56 to 400 and flange numbers 55 to 1080
• Effective Date: 17-May-2022

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 50347:2002
01-september-2002
General purpose three-phase induction motors having standard dimensions and
outputs - Frame numbers 56 to 315 and flange numbers 65 to 740
General purpose three-phase induction motors having standard dimensions and outputs
- Frame numbers 56 to 315 and flange numbers 65 to 740
Drehstromasynchronmotoren für den Allgemeingebrauch mit standardisierten
Abmessungen und Leistungen - Baugrößen 56 bis 315 und Flanschgrößen 65 bis 740
Moteurs à induction triphasés à usage général de dimensions et puissances normales -
Désignation des carcasses entre 56 et 315 et des brides entre 65 et 740
Ta slovenski standard je istoveten z: EN 50347:2001
ICS:
29.160.30 Motorji Motors
SIST EN 50347:2002 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 50347:2002

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SIST EN 50347:2002
EUROPEAN STANDARD EN 50347
NORME EUROPÉENNE
EUROPÄISCHE NORM July 2001
ICS 29.160.30 Supersedes HD 231 S1:1974
English version
General purpose three-phase induction motors
having standard dimensions and outputs -
Frame numbers 56 to 315 and flange numbers 65 to 740
Moteurs à induction triphasés à usage Drehstromasynchronmotoren für den
général de dimensions et puissances Allgemeingebrauch mit standardisierten
normales - Abmessungen und Leistungen -
Désignation des carcasses entre 56 et Baugrößen 56 bis 315 und
315 et des brides entre 65 et 740 Flanschgrößen 65 bis 740
This European Standard was approved by CENELEC on 2001-03-01. CENELEC members are bound to
comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on
application to the Central Secretariat or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CENELEC member into its own language and
notified to the Central Secretariat has the same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Czech Republic,
Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway,
Portugal, Spain, Sweden, Switzerland and United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: rue de Stassart 35, B - 1050 Brussels
© 2001 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 50347:2001 E

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SIST EN 50347:2002
EN 50347:2001 - 2 -
Contents
Page
1 Scope.4
2 Normative references.4
3 Letter symbols and dimensional sketches.4
3.1 Letter-symbols for dimensions .4
3.2 Dimensional sketches .6
4 Letters for frame sizes and flange numbers .7
5 Location of the terminal box .7
5.1 Machines with feet.7
5.2 Machines with flange only .7
6 Position of holes in the mounting flange (when machine also has feet) .7
7 Fixing dimensions and tolerances.8
7.1 Foot-mounted machines.8
7.2 Flange-mounted machines .9
7.3 Shaft end dimensions .10
7.4 Parallelity of shaft to foot-face .11
7.5 Parallelism of keyway to shaft axis.11
7.6 Lateral displacement of keyway .11
8 Methods of measurement .
...