NEMA MAGNET WIRE STANDARDS

Thermal
Class

Round Build (Bond Bld.)

Rect & Sq. – Build

NEMA

DESCRIPTION

℃

Sgl

Hvy

Tpl

Quad

Sgl

Hvy

Quad

Number

Basecoat/ Overcoat/ Bond Overcoat

(S)

(H)(T1)

(T)(T2)

(Q)(T3)

(S)

(H)

(Q)

Polyurethane

105

X

X

-

-

-

-

-

MW2-C

Polyurethane/self-bonding

105

X

X

-

-

-

-

MW3-C

Polyester

155

X

X

-

-

-

-

-

MW5-C

Polyamide

105

X

X

-

-

-

-

-

MW6-C

Polyvinyl acetal

105

X

X

-

-

-

-

-

MW15-A

Polyvinyl acetal

105

X

X

X

X

-

-

-

MW15-C

Polyimide

240

X

X

X

X

-

-

-

MW16-C

Polyvinyl acetal/polyamid

105

X

X

-

-

-

-

-

MW17-C

Polyvinyl acetal

105

-

-

-

-

-

X

X

MW18-A

Polyvinyl acetal

105

-

-

-

-

-

X

X

MW18-C

Polyvinyl acetal/self-bonding

105

-

X

X

X

-

-

-

MW19-C

Polyimide

240

-

-

-

-

-

X

X

MW20-C

Polyester (amide)(imide)/polyamide

155

X

X

-

-

-

-

-

MW24-A

Polyester (amide)(imide)/polyamide

155

X

X

X

-

-

-

-

MW24-C

Polyester (imide) solderable

155

X

X

-

-

-

-

-

MW26-C

Polyester (imide)/polyamide solderable

155

X

X

-

-

-

-

-

MW27-C

Polyurethane/polyamide

130

X

X

-

-

-

-

-

MW28-A

Polyurethane/polyamide

130

X

X

-

-

-

-

-

MW28-C

Polyurethane/polyamide/self-bonding

105

-

X

X

-

-

-

-

MW29-C

Polyester (amide)(imide)

180

X

X

X

-

-

-

-

MW30-C

Paper covered (also 90 oC)

105

X

X

-

-

-

-

-

MW31-C

Paper covered (also 90 oC)

105

-

-

-

-

X

X

-

MW33-C

Polyester (amide)(imide)/polyamideimide

220

X

X

-

-

-

-

-

MW35-A

Polyester (amide)(imide)/polyamideimide

200

X

X

X

X

-

-

-

MW35-C

Polyester (amide)(imide)/polyamideimide

220

-

-

-

-

-

X

X

MW36-A

Polyester (amide)(imide)/polyamideimide

200

-

-

-

-

-

X

X

MW36-C

Polyester (amide)(imide)/polyamideimide

220

X

X

X

-

-

MW37-C

Polyester (amide)(imide)/polyamideimide

220

-

-

-

-

-

X

X

MW38-C

Glass fiber/varnish

155

X

X

-

-

-

-

-

MW41-C

Glass fiber/varnish

155

-

-

-

-

X

X

-

MW42-C

Glass fiber/silicone varnish

200

-

-

-

-

X

X

-

MW43-C

Glass fiber/silicone varnish

200

X

X

-

-

-

-

-

MW44-C

Polyester glass fiber covered

155

X

X

-

-

-

-

-

MW45-C

Polyester glass fiber covered

155

-

-

-

-

X

X

-

MW46-C

Polyester glass fiber/silicone varnish

200

X

X

-

-

-

-

-

MW47-C

Polyester glass fiber/silicone varnish

200

-

-

-

-

X

X

-

MW48-C

Glass fiber/high temp. varnish

180

X

X

-

-

-

-

-

MW50-C

Polyester glass fiber./high temp. varnish

180

X

X

-

-

-

-

-

MW51-C

Glass fiber/high temp. varnish

180

-

-

-

-

X

X

MW52-C

Polyester glass fiber/high temp. varnish

180

-

-

-

-

X

X

MW53-C

Aromatic polyamide paper covered

220

-

-

-

-

-

X

-

MW60-A

Aromatic polyamide paper covered

220

-

-

-

-

-

X

-

MW60-C

Aromatic polyamide paper covered

220

-

X

-

-

-

-

-

MW61-A

Aromatic polyamide paper covered

220

-

X

-

-

-

-

-

MW61-C

Aromatic polyimide tape covered

220

-

-

-

-

X

X

-

MW-62C

Aromatic polyimide tape covered

220

X

X

-

-

-

-

-

MW-63C

Polyester (amide)(imide) Herm. Appl.

180

-

X

-

-

-

-

-

MW72-C

Polyester (amide)(imide)/polyamideimide

220

-

X

-

-

-

-

-

MW73-A

Polyester (amide)(imide)/polyamideimide

200

-

X

X

X

-

-

-

MW73-C

Polyester (amide)(imide)

220

X

X

-

-

-

-

-

MW74-A

Polyester (amide)(imide)

200

X

X

-

-

-

-

-

MW74-C

Polyurethane

130

X

X

-

-

-

-

-

MW75-C

Polyester (amide)(imide)/polyamide

180

X

X

-

-

-

-

-

MW76-A

Polyester (amide)(imide)/polyamide

180

X

X

X

-

-

-

-

MW76-C

Polyester (imide) solderable

180

X

X

-

-

-

-

-

MW77-C

Polyester (imide)/polyamide solderable

180

X

X

-

-

-

-

-

MW78-C

Polyurethane

155

X

X

X

-

-

-

MW79-C

Polyurethane/polyamide

155

X

X

-

-

-

-

-

MW80-A

Polyurethane/polyamide

155

X

X

X

-

-

-

MW80-C

Polyamideimide

200

X

X

-

-

-

-

-

MW81-C

Polyurethane

180

X

X

X

-

-

-

MW82-C

Polyurethane/polyamide

180

X

X

X

-

-

-

MW83-C

Polyester/Polyamideimide/Selfbonding

180

-

X

X

-

-

-

-

MW102-A

Polyester/Polyamideimide/Selfbonding

180

-

X

X

-

-

-

-

MW102-C

Polyurethane/ Selfbonding

130

-

X

X

-

-

-

-

MW130-C

Polyurethane/Polyamide/ Selfbonding

130

-

X

X

-

-

-

-

MW131-C

Polyurethane/ Selfbonding

155

-

X

X

-

-

-

-

MW135-C

Polyurethane/Polyamide/ Selfbonding

155

-

X

X

-

-

-

-

MW136-C