Class 155 Glass Fiber Covered Film-Insulated Rectangular Copper Magnet Wire

Thermal Class: 155
Certificate: MW 42-C
Insulation thickness: Single, Double
Insulation materials: The glass fiber shall be electrical-grade continuous-filament glass yarn
Dimensions:Thickness 1.016-7.341mm;Width 2.057-16.535 mm

Class 155 Glass Fiber Covered Film-Insulated Rectangular Copper Magnet Wire

Glass Fiber Covered Film-Insulated Rectangular Copper Magnet Wire Thermal Class 155. This class is suitable for moderate to high-temperature environments, providing a good balance between thermal endurance and mechanical strength.

Specifications

Insulation materialsThe glass fiber shall be electrical-grade continuous-filament glass yarn
Thermal Class155
DimensionsRectangular Wire:
1. Radii in accordance with 0.51-0.99mm (Full Rounded Edge)
2. Thickness tolerances in accordance with ±0.001mm
Thickness Range: 1.016-7.341mm
3. Width tolerances in accordance with ±0.025-0.076mm
Width Range: 2.057-16.535 mm
CertificateMW 42-C
Insulation thicknessSingle, Double

Dimensions and increase in thickness in accordance with:

Glass Fiber Covering Over Heavy Enameled Rectangular Wire*Glass Fiber Covering OverQuad Build Enameled Rectangular Wire*
Single Covering Heavy Film + Single GlassDouble Covering Heavy Film + Double GlassSingle Covering Quad Film + Single GlassDouble Covering Quad Film + Double Glass
 Min. Nom. Max. Min. Nom. Max. Min. Nom. Max. Min. Nom. Max.
0.00800.01000.01200.01100.01400.01700.01000.01200.01400.01300.01600.0190
0.00900.01100.01300.01200.01500.01800.01100.01300.01500.01400.01700.0200
0.01000.01200.01400.01300.01600.01900.01200.01400.01600.01500.01800.0210
0.01000.01200.01400.01400.01700.02000.01200.01400.01600.01600.01900.0220
0.01100.01300.01500.01400.01750.02100.01300.01500.01700.01600.01950.0230
0.01100.01300.01500.01500.01850.02200.01300.01500.01700.01700.02050.0240
0.01100.01350.01600.01600.02000.02400.01300.01550.01800.01800.02200.0260

Properties

Adherence and flexibilitySingle 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 glass fiber covering on one side. 

NOTE—The minimum thickness of the glass fiber covering is 35% of the maxi- mum increase in dimensions calculated from: Rectangular—Single Covering of Polyester Glass Fiber: 0.0060-0.0095 inches—Double Covering of Polyester Glass Fiber: 0.0100-0.0160 inches
ElongationNot less than 32% for a thickness of 0.049 in. (1.25 mm) and greater, or 30% for a thickness less than 0.049 in. (1.25 mm)
SpringbackGlass fiber covered bare: not greater than 5ºGlass fiber covered Heavy film-insulated: not greater than 5.5º
Dielectric breakdownNot 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 the film-insulated wire(Heavy 500-1500;Quad 900-2500), if applicable. 

NOTE—The minimum thickness of the glass fiber covering is 35% of the maxi-mum increase in dimensions calculated from:—Single Covering of Polyester Glass Fiber: 0.0060-0.0095 inches—Double Covering of Polyester Glass Fiber: 0.0100-0.0160 inches

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