芯数×标称截面(mm2)
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导电线芯(mm)
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平均外径(mm)
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20℃导体电阻≤(Ω/km)
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参考重量(kg/km)
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根数/线径
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下限
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上限
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铜芯
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镀锡铜芯
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YZ
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YZW
|
|
2×0.75
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24/0.20
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6.0
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8.2
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26.0
|
26.7
|
|
|
2×1
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32/0.20
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6.4
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8.8
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19.5
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20.0
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81.7
|
89.6
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2×1.5
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30/0.25
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8.0
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10.5
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13.3
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13.7
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|
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2×2.5
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49/0.25
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9.4
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12.5
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7.98
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8.21
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227.1
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242.6
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2×4
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56/0.30
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11.0
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14.0
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4.95
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5.09
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|
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2×6
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84/0.30
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12.5
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17.0
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3.30
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3.39
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366.0
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394.5
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3×0.75
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24/0.20
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6.6
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8.8
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26.0
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26.7
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|
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3×1
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32/0.20
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6.8
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9.2
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19.5
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20.0
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97.4
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105.0
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3×1.5
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30/0.25
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8.4
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11.0
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13.3
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13.7
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|
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3×2.5
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49/0.25
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10.0
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13.0
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7.98
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8.21
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205.1
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219.2
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3×4
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56/0.30
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11.5
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14.5
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4.95
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5.09
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4
|
|
3×6
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84/0.30
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13.0
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18.0
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3.30
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3.39
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|
497.7
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4×0.75
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24/0.20
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7.2
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9.6
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26.0
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26.7
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52.5
|
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4×1
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32/0.2
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7.6
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10.0
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19.5
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20.0
|
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125.2
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4×1.5
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30/0.25
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9.4
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12.5
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13.3
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13.7
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117.1
|
|
4×2.5
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49/0.25
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11.0
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14.0
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7.98
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8.21
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|
270.9
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4×4
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56/0.30
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13.0
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16.5
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4.95
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5.09
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255.2
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|
4×6
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84/0.30
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14.5
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20.0
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3.30
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3.39
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564.0
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594.0
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3×1.5+1×1.0
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30/0.25+32/0.20
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9.4
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12.0
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13.3
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13.7
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170.1
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181.9
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3×2.5+1×1.5
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49/0.25+30/0.25
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11.0
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14.0
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7.98
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8.21
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246.8
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262.9
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3×4+1×2.5
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56/0.30+49/0.25
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13.0
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16.0
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4.95
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5.09
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359.1
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380.2
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3×6+1×4
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84/0.30+56/0.30
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14.5
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19.5
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3.30
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3.39
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542.1
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572.5
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5×0.75
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24/0.20
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8.0
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11.0
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26.0
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26.7
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127.1
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136.8
|
5×1
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32/0.20
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8.4
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11.5
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19.5
|
20.0
|
144.3
|
154.5
|
5×1.5
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30/0.25
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10.0
|
13.5
|
13.3
|
13.7
|
210.5
|
223.6
|
5×2.5
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49/0.25
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12.5
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15.5
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7.98
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8.21
|
304.3
|
322.4
|
5×4
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56/0.30
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14.5
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18.0
|
4.95
|
5.09
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441.8
|
464.5
|
5×6
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84/0.30
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16.5
|
22.5
|
3.30
|
3.39
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687.5
|
724.0
|
主线芯截面(mm)
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长期连续负荷允许截流量(A)
|
||||||
YZ、YZW型 YZ、YZW type
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YC、YCW型 YC、YCW type
|
||||||
二芯
|
三芯
|
四芯
|
单芯
|
二芯
|
三芯
|
四芯
|
|
0.75
|
14
|
12
|
11
|
|
|
|
|
1.0
|
17
|
14
|
13
|
|
|
|
|
1.5
|
21
|
18
|
18
|
|
|
|
|
20
|
26
|
22
|
22
|
|
|
|
|
25
|
30
|
25
|
25
|
37
|
30
|
26
|
27
|
40
|
41
|
35
|
35
|
47
|
39
|
34
|
34
|
60
|
53
|
45
|
45
|
52
|
51
|
44
|
44
|
10
|
|
|
|
75
|
74
|
63
|
63
|
16
|
|
|
|
112
|
96
|
84
|
84
|
25
|
|
|
|
148
|
135
|
115
|
116
|
35
|
|
|
|
188
|
167
|
142
|
143
|
50
|
|
|
|
226
|
208
|
176
|
177
|
环境温度
|
15
|
20
|
25
|
30
|
35
|
40
|
换算系数
|
1.12
|
1.06
|
1.00
|
0.94
|
0.87
|
0.97
|