DHGJ系列铝壳多极滑触线
DHGJ系列铝壳多极滑触线是由铝合金外壳和铜排组成。铜排安装在工程塑料制成的槽板里，槽板起到绝缘作用，铝合金外壳具有提供集电器的行走轨道和内部机构的防护作用。
规格型号参数：
| 相数 | 型号 | 截面积mm2 | 额定载流量A | 电阻Ω/km | 阻抗Ω/km | 质量kg/m |
| 四 | DHGJ-4-15 | 15 | 80 | 1.195 | 1.204 | 2.80 |
| DHGJ-4-25 | 25 | 125 | 0.765 | 0.779 | 3.03 | |
| DHGJ-4-35 | 35 | 140 | 0.546 | 0.566 | 3.30 | |
| DHGJ-4-50 | 50 | 170 | 0.382 | 0.409 | 3.83 | |
| DHGJ-4-70 | 70 | 210 | 0.273 | 0.309 | 4.40 | |
| DHGJ-4-95 | 95 | 270 | 0.201 | 0.254 | 7.32 | |
| DHGJ-4-120 | 120 | 320 | 0.159 | 0.218 | 8.18 | |
| DHGJ-4-150 | 150 | 360 | 0.127 | 0.194 | 9.21 | |
| 五 | DHGJ-5-15 | 15 | 80 | 1.195 | 1.205 | 3.52 |
| DHGJ-5-25 | 25 | 125 | 0.765 | 0.780 | 3.84 | |
| DHGJ-5-35 | 35 | 140 | 0.546 | 0.567 | 4.17 | |
| DHGJ-5-50 | 50 | 170 | 0.382 | 0.410 | 5.16 | |
| DHGJ-5-70 | 70 | 210 | 0.273 | 0.310 | 5.94 | |
| 八 | DHGJ-8-10 | 10 | 50 | 1.912 | 1.919 | 3.73 |
| DHGJ-8-15 | 15 | 80 | 1.195 | 1.206 | 4.05 | |
| DHGJ-8-25 | 25 | 125 | 0.765 | 0.781 | 5.74 | |
| 十二 | DHGJ-12-10 | 10 | 50 | 1.912 | 1.919 | 7.34 |
| DHGJ-12-15 | 15 | 80 | 1.195 | 1.206 | 7.82 | |
| DHGJ-12-25 | 25 | 125 | 0.765 | 0.781 | 8.78 | |
| 十四 | DHGJ-14-10 | 10 | 50 | 1.912 | 1.919 | 7.76 |
| DHGJ-14-15 | 15 | 80 | 1.195 | 1.206 | 8.24 | |
| DHGJ-14-25 | 25 | 125 | 0.765 | 0.781 | 9.20 |
