芯數(shù)×標(biāo)稱(chēng)截面(mm2)
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導(dǎo)電線芯(mm)
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平均外徑(mm)
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20℃導(dǎo)體電阻≤(Ω/km)
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參考重量(kg/km)
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根數(shù)/線徑
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下限
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上限
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銅芯
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鍍錫銅芯
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YZ
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YZW
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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
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26.7
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|
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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
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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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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
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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
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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
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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
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20.0
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144.3
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154.5
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5×1.5
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30/0.25
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10.0
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13.5
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13.3
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13.7
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210.5
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223.6
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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
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304.3
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322.4
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5×4
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56/0.30
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14.5
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18.0
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4.95
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5.09
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441.8
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464.5
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5×6
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84/0.30
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16.5
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22.5
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3.30
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3.39
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687.5
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724.0
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主線芯截面(mm)
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長(zhǎng)期連續(xù)負(fù)荷允許截流量(A)
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||||||
YZ、YZW型 YZ、YZW type
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YC、YCW型 YC、YCW type
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||||||
二芯
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三芯
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四芯
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單芯
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二芯
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三芯
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四芯
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0.75
|
14
|
12
|
11
|
|
|
|
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1.0
|
17
|
14
|
13
|
|
|
|
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1.5
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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
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176
|
177
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環(huán)境溫度
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15
|
20
|
25
|
30
|
35
|
40
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換算系數(shù)
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1.12
|
1.06
|
1.00
|
0.94
|
0.87
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0.97
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