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27.5kV cold-shrink indoor terminal
27.5kV cold-shrink indoor terminal
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Application areas:
It is used in 27.5kV traction power supply systems for electrified railways, installed on the indoor end of 27.5kV single-phase AC cross-linked polyethylene insulated cables to achieve electrical connection with indoor high-voltage electrical appliances or equipment.
Product Description
Product Model:
27.5kV WTLN
Product Description:
- 1. The product performance meets the requirements of GB/T28427-2012 standard.
- 2. The main body of the terminal is made of high-quality imported liquid silicone as the base material and is molded by high temperature and high pressure injection process. The product has excellent properties such as high elasticity, high tear resistance, aging resistance, corona resistance and creepage resistance. The optimized structural design and excellent installation process meet the requirements of the special power supply environment and operation characteristics of electrified railways.
3. The terminal body and protective pipe have built-in pre-expanded supports. During installation, after the cable body is properly treated as required, the supports can be spirally pulled out to shrink and press them onto the cable, making on-site installation convenient and quick.

Product Parameters
| Implementation Standards | GB/T28427-2012 |
| Rated voltage U0 (kV) | 27.5 |
| Power frequency withstand voltage (5min) (kV) | 124 |
| Impact withstand voltage (kV) | 250 |
| Partial discharge level (pC) at 48kV | ≤5 |
| Cold shrink terminal body creep distance (mm) | ≥800 |
| Applicable cable cross-section (mm2) | 150/185/240/300/400 |
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