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CENELEC
EN 50347:2001

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Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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

Superseded date

11-06-2022

Published date

03-07-2001

Publisher

European Committee for Standards - Electrical

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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 Parallelism of keyway to shaft axis
  8.6 Lateral displacement of keyway
9 Relationships frame sizes - shaft extensions - rated
  outputs - flange numbers

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 mmFlange numbers - pitch circle diameter of flange : 65 mm to 740 mmIt gives tables of fixing dimensions, shaft extension dimensions and output powers.

Committee
CLC/TC 2
DevelopmentNote
Supersedes HD 231 (09/2001)
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Superseded

Standards Relationship
NEN EN 50347 : 2001 Identical
PN EN 50347 : DEC 2002 Identical
UNE-EN 50347:2003 Identical
DIN EN 50347:2003-09 Identical
I.S. EN 50347:2001 Identical
BS EN 50347:2001 Identical
CEI EN 50347 : 2002 Identical
SN EN 50347 : 2001 Identical
NF EN 50347 : 2001 Identical
NBN EN 50347 : 2002 Identical
OVE/ONORM EN 50347 : 2003 Identical

I.S. EN 60034-30:2009 ROTATING ELECTRICAL MACHINES - PART 30: EFFICIENCY CLASSES OF SINGLE-SPEED, THREE-PHASE, CAGE-INDUCTION MOTORS
S.R. CLC/TS 50537-3:2010 RAILWAY APPLICATIONS - MOUNTED PARTS OF THE TRACTION TRANSFORMER AND COOLING SYSTEM - PART 3: WATER PUMP FOR TRACTION CONVERTERS
S.R. CLC/TS 60034-31:2011 ROTATING ELECTRICAL MACHINES - PART 31: SELECTION OF ENERGY-EFFICIENT MOTORS INCLUDING VARIABLE SPEED APPLICATIONS - APPLICATION GUIDE
EN 60034-30-1:2014 Rotating electrical machines - Part 30-1: Efficiency classes of line operated AC motors (IE code)
DD CLC/TS 50537-3:2010 Railway applications. Mounted parts of the traction transformer and cooling system Water pump for traction converters
UNI CEI EN 45510-2-5 : 2011 GUIDE FOR PROCUREMENT OF POWER STATION EQUIPMENT - PART 2-5: ELECTRICAL EQUIPMENT - MOTORS
DD IEC TS 60034-31 : DRAFT JULY 2010 ROTATING ELECTRICAL MACHINES - PART 31: SELECTION OF ENERGY-EFFICIENT MOTORS INCLUDING VARIABLE SPEED APPLICATIONS - APPLICATION GUIDE
11/30247355 DC : 0 BS EN 60034-30 ED 2 - ROTATING ELECTRICAL MACHINES - PART 30: EFFICIENCY CLASSES OF SINGLE-SPEED, THREE-PHASE, CAGE-INDUCTION MOTORS (IE-CODE)
CLC/TS 50537-3:2010 Railway applications - Mounted parts of the traction transformer and cooling system - Part 3: Water pump for traction converters
BS EN 45510-2-5:2002 Guide for the procurement of power station equipment. Electrical equipment Motors
IEC TS 60034-31:2010 Rotating electrical machines - Part 31: Selection of energy-efficient motors including variable speed applications - Application guide
CLC/TS 60034-31:2011 Rotating electrical machines - Part 31: Selection of energy-efficient motors including variable speed applications - Application guide
CEI CLC/TS 50537-3 : 2011 RAILWAY APPLICATIONS - MOUNTED PARTS OF THE TRACTION TRANSFORMER AND COOLING SYSTEM - PART 3: WATER PUMP FOR TRACTION CONVERTERS
I.S. EN 60034-30-1:2014 ROTATING ELECTRICAL MACHINES - PART 30-1: EFFICIENCY CLASSES OF LINE OPERATED AC MOTORS (IE CODE)
I.S. EN 45510-2-5:2002 GUIDE FOR PROCUREMENT OF POWER STATION EQUIPMENT - PART 2-5: ELECTRICAL EQUIPMENT - MOTORS
BS EN 60034-30-1:2014 Rotating electrical machines Efficiency classes of line operated AC motors (IE code)
PD IEC/TS 60034-30-2:2016 Rotating electrical machines Efficiency classes of variable speed AC motors (IE-code)
08/30183108 DC : DRAFT MAY 2008 BS IEC/TS 60034-31 - ROTATING ELECTRICAL MACHINES - PART 31: GUIDE FOR THE SELECTION AND APPLICATION OF ENERGY-EFFICIENT MOTORS INCLUDING VARIABLE-SPEED APPLICATIONS
BS EN 60034-30:2009 Rotating electrical machines Efficiency classes of single-speed, three-phase, cage-induction motors (IE-code)
CEI EN 60034-30 : 2011 ROTATING ELECTRICAL MACHINES - PART 30: EFFICIENCY CLASSES OF SINGLE-SPEED, THREE-PHASE, CAGE-INDUCTION MOTORS (IE CODE)
DD CLC/TS 60034-31:2011 Rotating electrical machines Selection of energy-efficient motors including variable speed applications. Application guide
CEI UNI EN 45510-2-5 : 2006 GUIDE FOR PROCUREMENT OF POWER STATION EQUIPMENT - PART 2-5: ELECTRICAL EQUIPMENT - MOTORS
EN 45510-2-5:2002 Guide for procurement of power station equipment - Part 2-5: Electrical equipment - Motors
CEI EN 60034-30-1 : 2015 ROTATING ELECTRICAL MACHINES - PART 30-1: EFFICIENCY CLASSES OF LINE OPERATED AC MOTORS (IE CODE)
BS EN 50598-2 : 2014 ECODESIGN FOR POWER DRIVE SYSTEMS, MOTOR STARTERS, POWER ELECTRONICS & THEIR DRIVEN APPLICATIONS - PART 2: ENERGY EFFICIENCY INDICATORS FOR POWER DRIVE SYSTEMS AND MOTOR STARTERS
UNE-EN 50598-2:2015 Ecodesign for power drive systems, motor starters, power electronics & their driven applications - Part 2: Energy efficiency indicators for power drive systems and motor starters
I.S. EN 50598-2:2014 ECODESIGN FOR POWER DRIVE SYSTEMS, MOTOR STARTERS, POWER ELECTRONICS & THEIR DRIVEN APPLICATIONS - PART 2: ENERGY EFFICIENCY INDICATORS FOR POWER DRIVE SYSTEMS AND MOTOR STARTERS
IEC 60034-30:2008 Rotating electrical machines - Part 30: Efficiency classes of single-speed, three-phase, cage-induction motors (IE-code)
EN 50598-2:2014/A1:2016 ECODESIGN FOR POWER DRIVE SYSTEMS, MOTOR STARTERS, POWER ELECTRONICS & THEIR DRIVEN APPLICATIONS - PART 2: ENERGY EFFICIENCY INDICATORS FOR POWER DRIVE SYSTEMS AND MOTOR STARTERS
EN 60034-30:2009 Rotating electrical machines - Part 30: Efficiency classes of single-speed, three-phase, cage-induction motors (IE-code)

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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