logo.gif (5139 bytes) Insulation Specification Cross Reference Table

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THERMAL CLASS

INSULATION TYPE

MWS PRODUCT CODE

NEMA STANDARD (MW1000)

FEDERAL SPECIFICATION (JW1177)

IEC STANDARD (60317)

105 C

Plain Enamel PE MW 1C JW1177/1 NONE
Formvar F

MW-15C(RD)

JW1177/4(RD) 317-1 (RD)
MW18C(SQ & RECT) JW1177/16(SQ & RECT) 317-17 (SQ & RECT)
Polyurethane Bondable PB MW 3C JW1177/44 317-2
Formvar Bondable FB MW 19C JW1177/6 317-5
Polyurethane Nylon Bondable PNB MW 29C JW1177/30 317-9

130 C

Polyurethane-Nylon PN MW 28C JW1177/9 317-19

155 C

Polyurethane-155 P155 MW 79C JW1177/41 317-20
Polyurethane Nylon-155 PN155 MW 80C JW1177/42 317-21

180 C

Polyurethane-180 P180 MW 82C None 317-51
Polyurethane Nylon-180 PN180 MW83C None None
Polyester-imide PT MW 30C JW1177/12 317-8
Polyester Nylon PTN MW 76C JW1177/38 None
Solderable Polyester SPT MW 77C JW1177/39 317-23
Solderable Polyester Nylon SPTN MW 78C JW1177/40 None
Polyester-imide Bondable PTB None None 317-37
Polyester-amide-imide Bondable APTB None None None
Solderable Polyester Bondable SPTB None None None

200 C

Glass Fibers GLASS MW 44C(RD) JW1177/21(RD) None
MW43(SQ&RECT) JW1177/23(SQ & RECT)
Dacron Glass DGLAS MW 45C(RD) JW1177/20(RD) None
MW46(SQ&RECT) JW1177/25(SQ & RECT)
Polyester-200 PT200 MW 74C JW1177/43 317-42
Polyester A/I Topcoat APT MW 35C(RD) JW1177/14(RD) 317-13 (RD)
MW36(SQ&RECT) JW1177/13(SQ & RECT) 317-29 (SQ & RECT)
Polytetrafluoloethylene (Teflon*) TEFLON None None None

240 C

Polyimide-ML ML MW 16C(RD) JW1177/15(RD) 317-7 (RD)
MW20(SQ&RECT) JW1177/18(SQ & RECT) 317-30 (SQ & RECT)
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