电缆主要性能(符合Q/ZB01-2002)
电缆额定工作电压交流450/750V及以下。
电缆使用环境温度为-40℃~70℃。
电缆最小弯曲半径为电缆小边长度的10倍。
各截面导电线芯20℃直流电阻最大值(Romax)如下:(符合GB/T3956-1997)
|
截面mm2
|
0.75
|
1
|
1.5
|
2.5
|
4
|
6
|
10
|
16
|
25
|
35
|
50
|
70
|
95
|
120
|
150
|
185
|
240
|
|
Romax
(Ω/km)
|
26.0
|
19.5
|
13.3
|
7.98
|
4.95
|
3.30
|
1.91
|
1.21
|
0.780
|
0.551
|
0.386
|
0.272
|
0.206
|
0.161
|
0.129
|
0.106
|
0.0801
|
各截面绝缘线芯70℃绝缘电阻最小值(Rimin)如下:(符合GB5023-1997)
|
截面mm2
|
0.75
|
1
|
1.5
|
2.5
|
4
|
6
|
10
|
16
|
25
|
35
|
50
|
70~95
|
120~185
|
240
|
|
Romax(MΩ.m)
|
11
|
10
|
10
|
9
|
7
|
6
|
5.6
|
4.6
|
4.4
|
3.8
|
3.7
|
3.2
|
2.9
|
2.8
|
成品电缆芯之间经受交流50Hz、2.5Kv试验电压作用5min不击穿。
绝缘及护套最小抗拉强度10N/mm2,最小断裂伸长率150%,-40℃低温卷绕无裂痕,-40℃低温拉伸最小伸长率20%。
Main cable preformances
Working voltage rating for the cable:a.c.450/750V
and below.
Ambient temperature for cable using:-40℃~70℃.
The min.-bending radius:10 times the short side of the cable.
The max.d.c,resistances of conductive cores at 20℃.(in GB/T3956-1997),Romax:
|
Cross section mm2
|
0.75
|
1
|
1.5
|
2.5
|
4
|
6
|
10
|
16
|
25
|
35
|
50
|
70
|
95
|
120
|
150
|
185
|
240
|
|
Romax(Ω/km)
|
26.0
|
19.5
|
13.3
|
7.98
|
4.95
|
3.30
|
1.91
|
1.21
|
0.780
|
0.551
|
0.386
|
0.272
|
0.206
|
0.161
|
0.129
|
0.106
|
0.0801
|
The min.resistances of insulation at 70℃(in
GB5023-1997),Rimin:
|
Cross section mm2
|
0.75
|
1
|
1.5
|
2.5
|
4
|
6
|
10
|
16
|
25
|
35
|
50
|
70~95
|
120~185
|
240
|
|
Romax(MΩ.m)
|
11
|
10
|
10
|
9
|
7
|
6
|
5.6
|
4.6
|
4.4
|
3.8
|
3.7
|
3.2
|
2.9
|
2.8
|
An a.c.testing voltage of 50Hz.2.5Kv is applied
between cores of the finished cable for 5 minutes without any
breakdown.
The minimum tensile strength of insulation and sheath:10N/mm2,the
minmum elongation at break:150%,
The Roll is wound resistance tests at low temperature of 40℃have
been made without any crack.The minimum elongation of stretching
at -40℃ is 20%.
正在使用中的扁电缆(图为起重机)
本厂扁电缆可广泛使用于起重、运输、机械、电气、钢铁、冶金、港口、矿山、物流、仓储等行业的450/750V及以下各种移动动力装置的电源连接及控制、信号、照明等。