Rubber Insulated Cable / Rubber Cables
1. Standard:
The product fits to GB 5013.4 1997 (equals to IEC 245 1997), JB 8735.2 1998.
2. Useage:
Table 1: Type, Designation and Use
| type | designation | Main use |
| 245 IEC 53 (YZ) 245 IEC 57 (YZW) | Medium rubber flexible-cable | Various electric facility and tools |
| YC 245 IEC 66(YCW) | Heavy-duty rubber-sheath flexible-cable | Various moving electric equipment, can bear big mechanical force |
3. Scope of Cable Specification Table 2
Table 2: Scope of The Specification
| type | Rated voltage | Number of cores | Normal section (main core) area |
| 245 IEC 53(YZ) 245 IEC 57(YZW) | 300/500 | 2,3,4,5,6 3+1 | 0.75~6 1.5~6 |
| YC 245 IEC 66(YCW) | 450/750 | 1 2 3,4 3+1 5 | 1.5~400 1~95 1~150 2.5~150 1~25 |
4. speciality
Rated voltage U0/U 300/500V and 450/750V.
Long allowable operating temperature 60.
The Wderiving cable has the advantage of weather-proof and oil-resistant, fits to the situation of outer door and connecting oily dirt.
5. We can produce special structure and function cable according to the requirement of the customers.
6. main technical parameter structure
a. conductor the conductor is annealed copper, the max. Outer diameter of the single wire in the conductor fits to the fifth conductor rule of GB/T3956. the DC resistance conforms to the rule in table 3.
Table 3 DC resistance
| Normal section | 20 DC resistance not more than | Normal areas | 20 DC resistance not more than |
| tinning | Not tinning | tinning | Not tinning |
| 0.5 | 40.1 | 39.0 | 50 | 0.393 | 0.386 |
| 0.75 | 26.7 | 26.0 | 70 | 0.277 | 0.272 |
| 1.0 | 20.0 | 19.5 | 95 | 0.210 | 0.206 |
| 1.5 | 13.7 | 13.3 | 120 | 0.164 | 0.161 |
| 2.5 | 8.21 | 7.98 | 150 | 0.132 | 0.129 |
| 4 | 5.09 | 4.95 | 185 | 0.108 | 0.106 |
| 6 | 3.39 | 3.30 | 240 | 0.0817 | 0.081 |
| 10 | 1.95 | 1.91 | 300 | 0.0654 | 0.0641 |
| 16 | 1.24 | 1.21 | 400 | 0.0495 | 0.0486 |
| 25 | 0.795 | 0.78 | | | |
| 35 | 0.565 | 0.554 | | | |
Table 4: 300/500V YZ, YZW medium rubber-sheath size
| Number of cores ×normal area | Average outer diameter | Calculated weight |
| lower limit | upper limit |
| 2*0.75 2*1 2*1.5 2*2.5 2*4 2*6 | 6.0 6.6 8.0 9.5 10.6 11.8 | 8.2 8.8 10.5 12.5 13.7 15.1 | 64 77 112 167 234 325 |
| 3*0.75 3*1 3*1.5 3*2.5 3*4 3*6 | 6.5 7.0 8.6 10.0 11.3 12.6 | 8.8 9.2 11.0 13.0 14.5 16.1 | 81 93 136 198 297 423 |
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