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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    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    Superseded date:  24-06-2022

    Language(s):  English

    Published date:  01-01-2001

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

    Add To Cart

    Table of Contents - (Show below) - (Hide below)

    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

    Abstract - (Show below) - (Hide below)

    Includes 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 I.S. EN 60072-1.

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Superseded
    Superseded By
    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective