[ 商业 ] 阻燃计算机电缆RS485屏蔽计算机电缆ZR DJYPVPR 5*2*1.5mm²

导体标称截面

导体根数/单丝直径mm

导体根数/单丝直径mm

导体根数/单丝直径mm

20℃时导体直流电阻Ω/km

20℃时导体直流电阻Ω/km

mm2

A

B

R

A、B

R

0.5

1/0.80

7/0.30

16/0.20

≤ 36.0

≤ 39.0

0.75

1/0.97

7/0.37

24/0.20

≤ 24.5

≤ 26.0

1

1/1.13

7/0.43

32/0.20

≤18.1

≤19.5

1.5

1/1.38

7/0.52

30/0.25

≤12.1

≤13.3

2.5

1/1.78

7/0.68

49/0.25

≤ 7. 41

≤ 7. 9 8