Class 180 Glass Fiber Covered High-Temperature Rectangular Copper Magnet Wire 

Wire Types

Class 180 Glass Fiber Covered High-Temperature Organic Varnish Treated Bare Rectangular Copper Magnet Wire

Class 180 Glass Fiber Covered High-Temperature Organic Varnish Treated Film-Insulated Rectangular Copper Magnet Wire

Class 180 Glass Fiber Covered Bare Rectangular Copper Magnet Wire

Class 180 Glass Fiber Covered Film-Insulated Rectangular Copper Magnet Wire

Class 180 Glass Fiber Covered High-Temperature Rectangular Copper Magnet Wire

Insulating Material

The glass fiber shall be electrical-grade continuous-filament glass yarn. If underlying film insulation is used, it shall have at least a class 155 rating and comply with the applicable specification of Glass Fiber Covered High-Temperature Rectangular Copper Magnet Wire. The glass fiber covering shall be wrapped firmly, closely, evenly, and continuously around the wire. The glass fiber covering shall be treated with a high- temperature non-silicone insulating varnish.

Thermal Class

180

Conductor

Rectangular Copper Magnet Wire

Dimensions

Table1 Increase in Dimensions for Glass Fiber Covered Rectangular Magnet Wire

Nominal Width of Conductor (Inches)		Increase in Dimensions (Inches)
		Glass Fiber Covering Over Rectangular Bare Copper Conductor						Glass Fiber Covering Over Heavy Enameled Rectangular Wire						Glass Fiber Covering OverQuad Build Enameled Rectangular Wire
		Single CoveringGlass Fiber			Double CoveringGlass Fiber			Single Covering Heavy Film + Single Glass			Double Covering Heavy Film + Double Glass			Single Covering Quad Film + Single Glass			Double Covering Quad Film + Double Glass
Over	Up To and Incl.	Min.	Nom.	Max.	Min.	Nom.	Max.	Min.	Nom.	Max.	Min.	Nom.	Max.	Min.	Nom.	Max.	Min.	Nom.	Max.
–	0.102	0.0050	0.0060	0.0070	0.0080	0.0100	0.0120	0.0080	0.0100	0.0120	0.0110	0.0140	0.0170	0.0100	0.0120	0.0140	0.0130	0.0160	0.0190
0.102	0.162	0.0060	0.0070	0.0080	0.0090	0.0110	0.0130	0.0090	0.0110	0.0130	0.0120	0.0150	0.0180	0.0110	0.0130	0.0150	0.0140	0.0170	0.0200
0.162	0.182	0.0070	0.0080	0.0090	0.0100	0.0120	0.0140	0.0100	0.0120	0.0140	0.0130	0.0160	0.0190	0.0120	0.0140	0.0160	0.0150	0.0180	0.0210
0.183	0.229	0.0070	0.0080	0.0090	0.0110	0.0130	0.0150	0.0100	0.0120	0.0140	0.0140	0.0170	0.0200	0.0120	0.0140	0.0160	0.0160	0.0190	0.0220
0.230	0.289	0.0080	0.0090	0.0100	0.0110	0.0135	0.0160	0.0110	0.0130	0.0150	0.0140	0.0175	0.0210	0.0130	0.0150	0.0170	0.0160	0.0195	0.0230
0.289	0.344	0.0080	0.0090	0.0100	0.0120	0.0145	0.0170	0.0110	0.0130	0.0150	0.0150	0.0185	0.0220	0.0130	0.0150	0.0170	0.0170	0.0205	0.0240
0.344	0.517	0.0080	0.0095	0.0110	0.0130	0.0160	0.0190	0.0110	0.0135	0.0160	0.0160	0.0200	0.0240	0.0130	0.0155	0.0180	0.0180	0.0220	0.0260

General Requirements

Properties	Requirement
DIMENSIONS	Rectangular Wire:Radii in accordance with 0.51-0.99mm (±25%)Thickness tolerances in accordance 1.016-7.341mmWidth tolerances in accordance with 2.057-16.535mmDimensions and increase in thickness in accordance with Table1
ADHERENCE AND FLEXIBILITY	Single or Double with underlying film: no cracks visible in the film insulation after 20% elongation. Examine with normal vision and without removing the glass fiber covering. Double without underlying film: not less than 75 V/mil (2950 V/mm) of minimum thickness of the polyester glass fiber covering on one side
ELONGATION	Not less than 32% for a thickness of 0.049 in. (1.25 mm) and greater, or 30% for a thickness of less than 0.049 in. (1.25 mm)
SPRINGBACK	Glass fiber covered bare: not greater than 5ºGlass fiber covered Heavy film-insulated: not greater than 5.5º
DIELECTRIC BREAKDOWN	Not less than 90 V/mil (3543 V/mm) of the minimum thickness of the glass fiber covering on one side plus the minimum breakdown given in Table2 for the film-insulated wire, if applicable NOTE—The minimum thickness of the glass fiber covering is 35% of the maxi-mum increase in dimensions calculated from: Single: rectangular: Table1Double: rectangular without underlying film: Table1

Table2 Dielectric Breakdown, Film-Insulated Rectangular Magnet Wire

Film Insulation	Minimum Breakdown Voltage
	Any Three of Four Values	Fourth Value
Heavy	1500	500
Quad	2500	900