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1、Approved as an American National Standard ANSI Approval Date: March 3, 2009 ANSI/NEMA MW 1000-2008 Magnet Wire Published by National Electrical Manufacturers Association 1300 North 17th Street, Suite 1752 Rosslyn, Virginia 22209 www.nema.org Copyright 2008 by the National Electrical Manufacturers As
2、sociation. All rights including translation into other languages, reserved under the Universal Copyright Convention, the Berne Convention for the Protection of Literary and Artistic Works, and the International and Pan American Copyright Conventions. NOTICE AND DISCLAIMER The information in this pub
3、lication was considered technically sound by the consensus of persons engaged in the development and approval of the document at the time it was developed. Consensus does not necessarily mean that there is unanimous agreement among every person participating in the development of this document. The
4、National Electrical Manufacturers Association (NEMA) standards and guideline publications, of which the document contained herein is one, are developed through a voluntary consensus standards development process. This process brings together volunteers and/or seeks out the views of persons who have
5、an interest in the topic covered by this publication. While NEMA administers the process and establishes rules to promote fairness in the development of consensus, it does not write the document and it does not independently test, evaluate, or verify the accuracy or completeness of any information o
6、r the soundness of any judgments contained in its standards and guideline publications. NEMA disclaims liability for any personal injury, property, or other damages of any nature whatsoever, whether special, indirect, consequential, or compensatory, directly or indirectly resulting from the publicat
7、ion, use of, application, or reliance on this document. NEMA disclaims and makes no guaranty or warranty, expressed or implied, as to the accuracy or completeness of any information published herein, and disclaims and makes no warranty that the information in this document will fulfill any of your p
8、articular purposes or needs. NEMA does not undertake to guarantee the performance of any individual manufacturer or sellers products or services by virtue of this standard or guide. In publishing and making this document available, NEMA is not undertaking to render professional or other services for
9、 or on behalf of any person or entity, nor is NEMA undertaking to perform any duty owed by any person or entity to someone else. Anyone using this document should rely on his or her own independent judgment or, as appropriate, seek the advice of a competent professional in determining the exercise o
10、f reasonable care in any given circumstances. Information and other standards on the topic covered by this publication may be available from other sources, which the user may wish to consult for additional views or information not covered by this publication. NEMA has no power, nor does it undertake
11、 to police or enforce compliance with the contents of this document. NEMA does not certify, test, or inspect products, designs, or installations for safety or health purposes. Any certification or other statement of compliance with any health or safety related information in this document shall not
12、be attributable to NEMA and is solely the responsibility of the certifier or maker of the statement. Copyright 2008 by the National Electrical Manufacturers Association. Summary of Revisions MW 1000-2008 Amendments following the publication of MW 1000-2003, Revision 3 Location of amendment indicated
13、 by black vertical line in left margin of revised page Part 1 New definitions for rectangular wire, thickness and width in 1.3 Definitions4 Clarification on conversion of dimensional values from inch to millimeter in 1.7 Units of Measure.9 Restored dimensions for Heavy Build 2 AWG and 3 AWG in Table
14、 1-1 (Inch)11 Revised Max ODs for certain full-AWG wire sizes in the 30-46 AWG range in Table 1-1.13, 16 Part 2 Revised insulation material description (MW 15-A, 15-C, 17-C, 18-A, 18-C, 19-C, 47-C, 48-C). .6, 7, 1619, 4344 Restored Dimensions Requirement in 35-C .32 Revised requirements relevant to
15、Refrigerant R22 6163 Part 3 Revised specimen preparation procedures in 3.5.1, Heat Shock 6 Deletion of 3.8.5, Layer Method, for determining dielectric breakdown .14 Correction to rate of temperature increase in 3.50.2, Thermoplastic Flow.26 Expansion of permitted wire specimen size range in 3.58, Th
16、ermal Endurance .37 Appendix C Added two notes . C-4 Appendix D New appendix of formulas for dimensional and performance requirements D-1 MW 1000-2008 Page i Copyright 2008 by the National Electrical Manufacturers Association. CONTENTS Page Foreword xii How to Use this Publication.xiii Part 1 GENERA
17、L 1.1 Scope.1 1.2 Normative References and Authorized Engineering Information (AEI) 1 1.3 Definitions2 1.4 Materials4 1.4.1 ConductorsRound, Square, and Rectangular, Copper and Aluminum 4 1.4.2 Insulating Materials.5 1.5 Manufacturing5 1.5.1 Application of Insulation .5 1.5.2 Intermediate Sizes6 1.5
18、.3 Joints 6 1.5.4 Packaging.6 1.6 Test Conditions and Parameters.7 1.6.1 Safety Statement7 1.6.2 Selection of Specimens7 1.6.3 Ambient Conditions of Test 7 1.6.4 Power Frequency .7 1.6.5 Mandrels.7 1.6.6 Rectangular and Square Wire8 1.6.7 Round Wire.8 1.6.8 Periodic Conformance9 1.6.9 Retests .9 1.7
19、 Units of Measure .9 1.8 Thermal Class of Magnet Wire9 1.9 Ordering Information9 1.9.1 Product Identification Number9 1.9.2 Minimum Ordering Data .10 Tables 1-1 Dimensions for Bare and Film Insulated Round Magnet Wire11 1-2 Round Copper Wire, Ultra Fine Sizes by Resistance .17 1-3 Dimensions for Rou
20、nd Film Insulated Self-Bonding Magnet Wire18 1-4 Dimensions for Single Glass Fiber Covered Round Bare, Single Film Coated and Heavy Film Coated Wire.20 1-5 Dimensions for Double Glass Fiber Covered Round Bare, Single Film Coated and Heavy Film Coated Wire.22 1-6 Dimensions for Single Polyester Glass
21、 Fiber Covered Round Bare, Single Film Coated and Heavy Film Coated Wire.24 1-7 Dimensions for Double Polyester Glass Fiber Covered Round Bare, Single Film Coated and Heavy Film Coated Wire.26 1-8 Dimensions and Radii for Rectangular Bare Wire.28 1-9 Bare Rectangular Conductor Tolerances28 MW 1000-2
22、008 Page ii Copyright 2008 by the National Electrical Manufacturers Association. 1-10 Film Insulated Rectangular Magnet Wire Increase in Thickness and Width Due to Film Coating .28 1-11 Dimensions of Square Bare Wire29 1-12 Heavy and Quadruple Film Insulated Square Magnet Wire Increase in Dimensions
23、 Due to Film Coating30 1-13 Range of Increase in Dimensions, Inches Single Glass Fiber Covered Heavy Film Insulated Rectangular Copper Wire31 1-14 Range of Increase in Dimensions, Inches Double Glass Fiber Covered Bare Rectangular Copper Wire 32 1-15 Range of Increase in Dimensions, Inches Double Gl
24、ass Fiber Covered Heavy Film Coated Rectangular Copper Wire.33 1-16 Range of Increase in Dimensions, Inches Single Polyester Glass Fiber Covered Heavy Film Insulated Rectangular Copper Wire .34 1-17 Range of Increase in Dimensions, Inches Double Polyester Glass Fiber Covered Bare Rectangular Copper
25、Wire 35 1-18 Range of Increase in Dimensions, Inches Double Polyester Glass Fiber Covered Heavy Film Coated Rectangular Copper Wire.36 1-19 Single Glass Fiber Covered, Heavy Film Insulated Square Copper Magnet Wire Minimum Increase and Maximum Overall Dimensions Due to Insulation.37 1-20 Single Poly
26、ester Glass Fiber Covered Heavy Film Insulated Square Copper Magnet WireMinimum Increase and Maximum Overall Dimensions Due to Insulation38 1-21 Double Glass Fiber Covered, Bare or Heavy Film Insulated Square Copper Magnet Wire Minimum Increase and Maximum Overall Dimensions Due to Insulation.39 1-2
27、2 Double Polyester Glass Fiber Covered, Bare or Heavy Film Insulated Square Copper Magnet WireMinimum Increase and Maximum Overall Dimensions Due to Insulation 40 1-23 Comparison Between AWG and IEC R-40 Series Bare Wire Diameters .41 1-24 Comparison Between NEMA and IEC Increases and Overall Diamet
28、ers.43 MW 1000-2008 Page iii Copyright 2008 by the National Electrical Manufacturers Association. CONTENTS Part 2 PROPERTIES AND REQUIREMENTS Specification Number Thermal Class Round Rectangular and Square Page No. MW 2-C Polyurethane for solderable applications (Single and Heavy) 105 X 2 MW 3-C Pol
29、yurethane with self-bonding overcoat for solderable applications (Types 1 and 2) 105 X 3 MW 5-C Polyester (Single and Heavy) 155 X 4 MW 6-C Polyamide (Single and Heavy) 105 X 5 MW 15-A Polyvinyl Acetal (Single and Heavy) 105 X 6 MW 15-C Polyvinyl Acetal (Single, Heavy, Triple and Quad) 105 X 7 MW 16
30、-C Polyimide (Single Heavy, Triple, and Quadruple) 240 X 815 MW 17-C Polyvinyl acetal overcoated with polyamide (Single and Heavy) 105 X 16 MW 18-A Polyvinyl acetal (Heavy and Quadruple) 105 X 17 MW 18-C Polyvinyl acetal (Heavy and Quadruple) 105 X 18 MW 19-C Polyvinyl acetal with self-bonding overc
31、oat (Types 1, 2 and 3) 105 X 19 MW 20-C Polyimide (Heavy and Quadruple) 240 X 20 MW 24-A Polyester (amide) (imide) overcoated with polyamide (Single and Heavy) 155 X 21 MW 24-C Polyester (amide) (imide) overcoated with polyamide (Single, Heavy and Triple) 155 X 22 MW 26-C Polyester (imide) for solde
32、rable applications (Single and Heavy) 155 X 23 MW 27-C Polyester (imide) overcoated with polyamide for solderable applications (Single and Heavy) 155 X 24 MW 28-A Polyurethane overcoated with polyamide for solderable applications (Single and Heavy) 130 X 25 MW 28-C Polyurethane overcoated with polya
33、mide for solderable applications (Single and Heavy) 130 X 26 MW 29-C Polyurethane overcoated with polyamide and self-bonding overcoated for solderable applications (Types 1 and 2) 105 X 27 MW 30-C Polyester (amide) (imide) (Single, Heavy, and Triple) 180 X 28 MW 31-C Paper covered 90 or 105 X 29 MW
34、33-C Paper covered bare rectangular and square 90 or 105 X 30 MW 1000-2008 Page iv Copyright 2008 by the National Electrical Manufacturers Association. Part 2 PROPERTIES AND REQUIREMENTS Specification Number Thermal Class Round Rectangular and Square Page No. MW 35-A Polyester (amide)(imide) overcoa
35、ted with polyamideimide (Single and Heavy) 220 X 31 MW 35-C Polyester (amide)(imide) overcoated with polyamideimide (Single, Heavy Triple, and Quad) 200 X 32 MW 36-A Polyester (amide)(imide) overcoated with polyamideimide (Heavy and Quadruple) 220 X 33 MW 36-C Polyester (amide)(imide) overcoated wit
36、h polyamideimide (Heavy and Quadruple) 200 X 34 MW 37-C Polyester (amide)(imide) overcoated with polyamideimide (Single, Heavy and Triple) 220 X 35 MW 38-C Polyester (amide)(imide) overcoated with polyamideimide (Heavy and Quadruple) 220 X 36 MW 41-C Glass fiber covered (Single and Double) 155 X 37
37、MW 42-C Glass fiber covered (Single and Double) 155 X 38 MW 43-C Glass fiber covered silicone treated (Single and Double) 200 X 39 MW 44-C Glass fiber covered silicone treated (Single and Double) 200 X 40 MW 45-C Polyester glass fiber covered (Single and Double) 155 X 41 MW 46-C Polyester glass fibe
38、r covered (Single and Double) 155 X 42 MW 47-C Polyester glass fiber covered silicone treated (Single and Double) 200 X 43 MW 48-C Polyester glass fiber covered silicone treated (Single and Double) 200 X 44 MW 50-C Glass fiber covered, High Temperature organic varnish treated (Single and Double) 180
39、 X 45 MW 51-C Polyester glass fiber covered, High Temperature organic varnish treated (Single and Double) 180 X 46 MW 52-C Glass fiber covered, High Temperature organic varnish treated (Single or Double) 180 X 47 MW 53-C Polyester glass fiber covered, High Temperature organic varnish treated (Single
40、 and Double) 180 X 48 MW 60-A Aromatic polyamide paper covered (Paper) 220 X 4950 MW 60-C Aromatic polyamide paper covered (Paper) 220 X 5152 MW 61-A Aromatic polyamide paper covered (Paper) 220 X 5354 MW 61-C Aromatic polyamide paper covered (Paper) 220 X 5556 MW 62-C Aromatic Polyimide tape covere
41、d 220 X 57 MW 63-C Aromatic Polyimide tape covered 220 X 58 MW 1000-2008 Page v Copyright 2008 by the National Electrical Manufacturers Association. MW 64-C Aromatic Polyimide tape covered 240 X 59 MW 65-C Aromatic Polyimide tape covered 240 X 60 MW 72-C Polyester (amide)(imide) for Hermetic Applica
42、tions (Heavy) 180 X 61 MW 73-A Polyester (amide)(imide) overcoated with polyamideimide for Hermetic Applications (Heavy) 220 X 62 MW 73-C Polyester (amide)(imide) overcoated with polyamideimide for Hermetic Applications (Heavy, Triple, and Quad) 200 X 63 MW 74-A Polyester (amide)(imide) (Single and
43、Heavy) 220 X 64 MW 74-C Polyester (amide)(imide) (Single and Heavy) 200 X 65 MW 75-C Polyurethane for solderable applications (Single and Heavy) 130 X 66 MW 76-A Polyester (amide)(imide) overcoated with polyamide (Single and Heavy) 180 X 67 MW 76-C Polyester (amide)(imide) overcoated with polyamide
44、(Single, Heavy, and Triple) 180 X 68 MW 77-C Polyester (imide) for solderable applications (Single and Heavy) 180 X 69 MW 78-C Polyester (imide) overcoated with polyamide for solderable applications (Single and Heavy) 180 X 70 MW 79-C Polyurethane for solderable applications (Single, Heavy and Tripl
45、e) 155 X 71 MW 80-A Polyurethane overcoated with polyamide for solderable applications (Single and Heavy) 155 X 72 MW 80-C Polyurethane overcoated with polyamide for solderable applications (Single, Heavy, Triple) 155 X 73 MW 81-C Polyamideimide (Single and Heavy) 220 X 74 MW 82-C Polyurethane for s
46、olderable applications (Single, Heavy and Triple) 180 X 75 MW 83-C Polyurethane overcoated with polyamide for solderable applications (Single, Heavy, Triple) 180 X 76 MW 102-A Polyester (amide)(imide) overcoated with polyamideimide and self-bonding overcoat (Type 1 and Type 2) 180 X 77 MW 102-C Poly
47、ester (amide)(imide) overcoated with polyamideimide and self-bonding overcoat (Type 1 and Type 2) 180 X 78 MW 130-C Polyurethane with self-bonding overcoat (Type 1 and Type 2) 130 X 79 MW 131-C Polyurethane with self-bonding overcoat (Type 1 and Type 2) 155 X 80 MW 135-C Polyurethane overcoated with
48、 polyamide and self-bonding overcoat (Type 1 and Type 2) 130 X 81 MW 136-C Polyurethane overcoated with polyamide and self-bonding overcoat (Type 1 and Type 2) 155 X 82 MW 1000-2008 Page vi Copyright 2008 by the National Electrical Manufacturers Association. Tables S (MW 16-C) Polyimide Single Film
49、Insulated Round Copper Magnet Wire, Thermal Class 240 .9 H (MW 16-C) Polyimide Heavy Film Insulated Round Copper Magnet Wire, Thermal Class 240.11 T (MW 16-C) Polyimide Triple Film Insulated Round Copper Magnet Wire, Thermal Class 240 13 Q (MW 16-C) Polyimide Quadruple Film Insulated Round Copper Magnet Wire, Thermal Class 240 15 PR (MW 60-A) Increase in Dimensions of Rectangular Wire Due to Paper Covering50 PSQ (MW