护套（不等截面通常力缆）
截面 | 3+1结构 | 3+2结构 | 4+1结构 | 电缆表径与护套厚度的关系（近似） | |||||||||
非铠装表护套 | 铠装 | 非铠装表护套 | 铠装 | 非铠装表护套 | 铠装 | 护套前直径 | 护套厚度 | 护套前直径 | 护套厚度 | ||||
内护 | 表护 | 内护 | 表护 | 内护 | 表护 | ||||||||
1.5 | 1.8 | 1.2 | 1.8 | 1.8 | 1.2 | 1.8 | 1.8 | 1.2 | 1.8 | ≤24.2 | 1.8 | 70.7-72.8 | 3.5 |
2.5 | 1.8 | 1.2 | 1.8 | 1.8 | 1.2 | 1.8 | 1.8 | 1.2 | 1.8 | 24.3-27.1 | 1.9 | 72.9-75.7 | 3.6 |
4 | 1.8 | 1.2 | 1.8 | 1.8 | 1.2 | 1.8 | 1.8 | 1.2 | 1.8 | 27.2-29.9 | 2.0 | 75.8-78.5 | 3.7 |
6 | 1.8 | 1.2 | 1.8 | 1.8 | 1.2 | 1.8 | 1.8 | 1.2 | 1.8 | 30.0-32.8 | 2.1 | 78.6-81.4 | 3.8 |
10 | 1.8 | 1.2 | 1.8 | 1.8 | 1.2 | 1.8 | 1.8 | 1.2 | 1.8 | 32.9-35.7 | 2.2 | 81.5-84.2 | 3.9 |
16 | 1.8 | 1.2 | 1.8 | 1.8 | 1.2 | 1.8 | 1.8 | 1.2 | 1.8 | 35.8-38.5 | 2.3 | 84.3-87.1 | 4.0 |
25 | 1.8 | 1.2 | 1.8 | 1.8 | 1.2 | 2.0 | 1.8 | 1.2 | 2.0 | 38.6-41.4 | 2.4 | 87.2-89.9 | 4.1 |
35 | 1.8 | 1.2 | 1.9 | 1.9 | 1.2 | 2.0 | 1.9 | 1.2 | 2.1 | 41.5-44.2 | 2.5 | 90.0-92.8 | 4.2 |
50 | 1.9 | 1.2 | 2.0 | 2.0 | 1.2 | 2.2 | 2.0 | 1.2 | 2.2 | 44.3-47.1 | 2.6 | 92.9-95.7 | 4.3 |
70 | 2.0 | 1.2 | 2.1 | 2.2 | 1.3 | 2.3 | 2.2 | 1.3 | 2.4 | 47.2-49.9 | 2.7 | 95.8-98.5 | 4.4 |
95 | 2.2 | 1.2 | 2.3 | 2.4 | 1.4 | 2.5 | 2.4 | 1.4 | 2.6 | 50.0-52.8 | 2.8 | 98.6-101.4 | 4.5 |
120 | 2.3 | 1.3 | 2.4 | 2.5 | 1.5 | 2.7 | 2.6 | 1.5 | 2.7 | 52.9-55.7 | 2.9 | ||
150 | 2.4 | 1.4 | 2.6 | 2.6 | 1.5 | 2.8 | 2.7 | 1.6 | 2.9 | 55.8-58.5 | 3.0 | ||
185 | 2.6 | 1.5 | 2.7 | 2.8 | 1.7 | 3.0 | 2.9 | 1.7 | 3.1 | 58.6-61.4 | 3.1 | ||
240 | 2.8 | 1.6 | 2.9 | 3.1 | 1.8 | 3.3 | 3.2 | 1.8 | 3.4 | 61.5-64.2 | 3.2 | ||
300 | 3.0 | 1.7 | 3.3 | 1.9 | 3.5 | 3.4 | 2.0 | 3.6 | 64.3-67.1 | 3.3 | |||
400 | 67.2-69.9 | 3.4 | |||||||||||
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