MWS Wire Industries - Insulation Specification Cross Reference Table

THERMAL CLASS	INSULATION TYPE	MWS PRODUCT CODE	NEMA STANDARD ( MW1000 )	FEDERAL SPECIFICATION ( JW1177/ xx )	IEC STANDARD ( 60317 )

105°C	Plain Enamel - Available 40 - 44 AWG	PE	NONE	NONE	NONE
	Formvar (RD)	F	MW 15	/ 4	317-1
	Formvar (SQ & RECT)	F	MW 18	/ 16	317-17
	Polyurethane Bondable	PB	MW 3	/ 44	317-2
	Formvar Bondable	FB	MW 19	/ 6	317-5
	Polyurethane Nylon Bondable	PNB	MW 29	/ 30	317-9

130°C	Polyurethane Nylon* - No Longer Available	PN	MW 28	/ 9	317-19

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

180°C	Polyurethane 180*	P180	MW 82	NONE	317-51
	Polyurethane Nylon 180*	PN180	MW 83	NONE	NONE
	Polyester-imide	PT	MW 30	/ 12	317-8
	Polyester Nylon*	PTN	MW 76	/ 38	NONE
	Solderable Polyester*	SPT	MW 77	/ 39	317-23
	Solderable Polyester Nylon*	SPTN	MW 78	/ 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 (RD)	GLASS	MW 44	/ 21	NONE
	Glass Fibers (SQ & RECT)	GLASS	MW 43	/ 23	NONE
	Dacron Glass (RD)	DGLAS	MW 45	/ 20	NONE
	Dacron Glass (SQ & RECT)	DGLASS	MW 46	/ 25	NONE
	Polyester 200*	PT200	MW 74	/ 43	317-42
	Polyester A / I Topcoat* (RD)	APT	MW 35	/ 14	317-13
	Polyester A / I Topcoat*(SQ & RECT)	APT	MW 36	/ 13	317-29
	Polyester A / I Polyamideimide (RD)	APTIG	MW 35	NONE	317-13
	Polyester A / I Polyamideimide (SQ & RECT)	APTIG	MW 73	NONE	NONE
	Polytetrafluoloethylene (Teflon*)	TEFLON	NONE	NONE	NONE

240°C	Polyimide - ML* (RD)	ML	MW 16	/ 15	317-7
	Polyimide - ML* (SQ & RECT)	ML	MW 20	/ 18	317-30