ZB Paper Covered Wires
name:ZB Paper Covered Wires
ID:/Item/Show.asp?m=114&d=20
no:75
market price:
retail price:¥
description:

 

1.Uses:

This product is suitable for oil-immersed transformers and other similar electrical appliances windings.

2.Model
 New Models  Name
 ZB   Paper Covered Flat Copper Wires
3.Production Range:
 a边0.80mm-5.60mm b边2.00mm-16.00mm
5. Implementation Standards:
 GB/T7673-2008
5.Main Technical Requirements:
 Project Name Technical Requirements    Test Method  
 Conductor sizes and radiuses  Complying with GB / T 7095.1 standard  GB/T 4074.2
radiuses

Insulation thickness

 Insulation thickness A  Deviation %  GB/T 4074.2
 ≤0.20  -10
 0.50<A<1.25  -7.5
 >1.25  -5

DC Resistance

The per unit length of DC resistance R20 of conductors at 20 ℃ should comply with Article 5 of GB7095.1 standard.

 GB/T 3048.2

Elongation

 Nominal Size  Elongation %  GB/T 4074.3
 a≤2.50  ≥30
 a>2.50  ≥32
Flexibility/Adhesion

Determined through negotiations between supplying and demanding parties

 GB/T 4074.3
Springback Angle The springback angle of paper cover flat copper wires should not exceed 5°.  GB/T 4074.3